Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...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/build.yml

@@ -15,7 +15,7 @@ jobs:
     outputs:
       msrv: ${{ steps.get_msrv.outputs.msrv }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - id: get_msrv
         run: |
           MSRV=$(cargo metadata --format-version=1 --no-deps  | jq '.packages[] | select(.name == "azure_core").rust_version' -r)
@@ -26,7 +26,7 @@ jobs:
     name: Code Style
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       # for code style, we only care about `stable`
       - run: eng/scripts/code_style.sh stable
@@ -48,7 +48,7 @@ jobs:
           - build: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - run: eng/scripts/sdk_tests.sh ${{ matrix.build }}
 
@@ -69,7 +69,7 @@ jobs:
           - build: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - run: eng/scripts/check_wasm.sh ${{ matrix.build }}
 
@@ -90,7 +90,7 @@ jobs:
           - build: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
         with:
           workspaces: services
@@ -116,7 +116,7 @@ jobs:
           - build: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - run: eng/scripts/emulator_tests.sh ${{ matrix.build }}
       - name: display free disk space
@@ -140,7 +140,7 @@ jobs:
           - build: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - run: eng/scripts/e2e_tests.sh ${{ matrix.build }}
       - name: display free disk space
@@ -152,16 +152,16 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: git clone
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: azure-sdk-for-rust
       - name: git clone Azure/azure-rest-api-specs
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: Azure/azure-rest-api-specs
           path: azure-rest-api-specs
       - name: git clone OAI/OpenAPI-Specification
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: OAI/OpenAPI-Specification
           path: OpenAPI-Specification