Bump actions/checkout from 4 to 5 (#624)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 5.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/bazel-build.yml

@@ -14,7 +14,7 @@ jobs:
     env:
       BAZEL: bazelisk-linux-amd64
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         submodules: recursive
 

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
     if: ${{ github.repository == 'p4lang/PI' }}
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         submodules: recursive
     - name: Determine Docker image tag

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
     name: Check whether tests need to be run based on diff
     runs-on: [ubuntu-latest]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - uses: antrea-io/has-changes@v2
@@ -37,7 +37,7 @@ jobs:
         - cxx: clang++-10
           cc: clang-10
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         submodules: 'recursive'
     - name: Build test Docker image