Update actions/checkout action to v4.2.1 (#6861)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://redirect.github.com/actions/checkout) |
action | minor | [`v4.1.7` ->
`v4.2.1`](https://redirect.github.com/actions/checkout/compare/v4.1.7...v4.2.1)
|

---

### Release Notes

<details>
<summary>actions/checkout (actions/checkout)</summary>

###
[`v4.2.1`](https://redirect.github.com/actions/checkout/blob/HEAD/CHANGELOG.md#v421)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v4.2.0...v4.2.1)

- Check out other refs/\* by commit if provided, fall back to ref by
[@&#8203;orhantoy](https://redirect.github.com/orhantoy) in
[https://github.com/actions/checkout/pull/1924](https://redirect.github.com/actions/checkout/pull/1924)

###
[`v4.2.0`](https://redirect.github.com/actions/checkout/blob/HEAD/CHANGELOG.md#v420)

[Compare
Source](https://redirect.github.com/actions/checkout/compare/v4.1.7...v4.2.0)

- Add Ref and Commit outputs by
[@&#8203;lucacome](https://redirect.github.com/lucacome) in
[https://github.com/actions/checkout/pull/1180](https://redirect.github.com/actions/checkout/pull/1180)
- Dependency updates by
[@&#8203;dependabot-](https://redirect.github.com/dependabot-)
[https://github.com/actions/checkout/pull/1777](https://redirect.github.com/actions/checkout/pull/1777),
[https://github.com/actions/checkout/pull/1872](https://redirect.github.com/actions/checkout/pull/1872)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "after 8pm,before 6am" in timezone
America/Los_Angeles, Automerge - "after 8pm,before 6am" in timezone
America/Los_Angeles.

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR has been generated by [Renovate
Bot](https://redirect.github.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xMjEuMCIsInVwZGF0ZWRJblZlciI6IjM4LjEyMS4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=-->

Co-authored-by: oxide-renovate[bot] <146848827+oxide-renovate[bot]@users.noreply.github.com>

.github/workflows/check-opte-ver.yml

@@ -9,7 +9,7 @@ jobs:
  check-opte-ver:
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - name: Install jq

.github/workflows/check-workspace-deps.yml

@@ -10,7 +10,7 @@ jobs:
  check-workspace-deps:
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - name: Check Workspace Dependencies

.github/workflows/rust.yml

@@ -14,7 +14,7 @@ jobs:
  check-style:
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - name: Report cargo version
@@ -37,7 +37,7 @@ jobs:
  - name: Disable packages.microsoft.com repo
  if: ${{ startsWith(matrix.os, 'ubuntu') }}
  run: sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
@@ -67,7 +67,7 @@ jobs:
  # This repo is unstable and unnecessary: https://github.com/microsoft/linux-package-repositories/issues/34
  - name: Disable packages.microsoft.com repo
  run: sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
@@ -95,7 +95,7 @@ jobs:
  # This repo is unstable and unnecessary: https://github.com/microsoft/linux-package-repositories/issues/34
  - name: Disable packages.microsoft.com repo
  run: sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
@@ -127,7 +127,7 @@ jobs:
  # This repo is unstable and unnecessary: https://github.com/microsoft/linux-package-repositories/issues/34
  - name: Disable packages.microsoft.com repo
  run: sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5

.github/workflows/update-dendrite.yml

@@ -29,7 +29,7 @@ jobs:
  steps:
 
  # Checkout both the target and integration branches
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  token: ${{ inputs.reflector_access_token }}
  fetch-depth: 0

.github/workflows/update-maghemite.yml

@@ -29,7 +29,7 @@ jobs:
  steps:
 
  # Checkout both the target and integration branches
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  token: ${{ inputs.reflector_access_token }}
  fetch-depth: 0

.github/workflows/validate-openapi-spec.yml

@@ -10,7 +10,7 @@ jobs:
  format:
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+ - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
  with:
  ref: ${{ github.event.pull_request.head.sha }} # see omicron#4461
  - uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4