Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/run-macos-tests.yml

@@ -8,7 +8,7 @@ jobs:
       matrix:
         browser: [ safari ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: 16

.github/workflows/run-tests-on-branch.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
       - name: ${{ github.event.inputs.external_ref_id }}
         run: echo
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: 16

.github/workflows/run-tests.yml

@@ -8,7 +8,7 @@ jobs:
         os: [ ubuntu-latest, windows-latest ]
         browser: [ firefox ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: 16