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/test.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
@@ -36,7 +36,7 @@ jobs:
     timeout-minutes: 20
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - uses: lima-vm/lima-actions/setup@v1
       id: lima-actions-setup

.github/workflows/validate.yml

@@ -24,7 +24,7 @@ jobs:
       checks: write # to allow the action to annotate code in the PR.
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: actions/setup-go@v5
@@ -42,7 +42,7 @@ jobs:
   go-fix:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 2
       - uses: actions/setup-go@v5
@@ -56,7 +56,7 @@ jobs:
   codespell:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: install deps
       # Use a known version of codespell.
       run: pip install --break-system-packages codespell==v2.4.1
@@ -66,13 +66,13 @@ jobs:
   space-at-eol:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: if git -P grep -I -n '\s$'; then echo "^^^ extra whitespace at EOL, please fix"; exit 1; fi
 
   deps:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - uses: actions/setup-go@v5
       with:
         go-version: "${{ env.GO_VERSION }}"