build(deps): bump actions/checkout from 4 to 5

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] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Build image
         uses: redhat-actions/buildah-build@v2

.github/workflows/testingfarm-unit.yml

@@ -27,7 +27,7 @@ jobs:
         echo "Job originally triggered by ${{ github.actor }}"
         exit 1
     - name: Check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Run the tests

.github/workflows/testingfarm.yml

@@ -44,7 +44,7 @@ jobs:
         echo "Job originally triggered by ${{ github.actor }}"
         exit 1
     - name: Check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Run the tests

.github/workflows/tests.yml

@@ -30,7 +30,7 @@ jobs:
         id: go
 
       - name: Check out code into the Go module directory
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
 
@@ -59,7 +59,7 @@ jobs:
     name: "🐚 Shellcheck"
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Run ShellCheck
@@ -77,7 +77,7 @@ jobs:
       test_files: ${{ steps.collect.outputs.test_files }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.event.pull_request.head.sha }}
       - name: Collect test files
@@ -96,7 +96,7 @@ jobs:
       matrix:
         test_file: ${{ fromJson(needs.collect_tests.outputs.test_files) }}
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         ref: ${{ github.event.pull_request.head.sha }}
     - name: Setup up python