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](https://github.com/actions/checkout/compare/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>

.github/workflows/test.yml

@@ -49,7 +49,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: Show host info
       run: |
@@ -159,7 +159,7 @@ jobs:
     steps:
 
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
 
     - name: install deps
       run: |
@@ -183,7 +183,7 @@ jobs:
     timeout-minutes: 30
     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

@@ -17,7 +17,7 @@ jobs:
   keyring:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: check runc.keyring
       run: make validate-keyring
 
@@ -29,7 +29,7 @@ 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
@@ -51,7 +51,7 @@ 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
@@ -72,7 +72,7 @@ jobs:
       # Don't ignore C warnings. Note that the output of "go env CGO_CFLAGS" by default is "-g -O2", so we keep them.
       CGO_CFLAGS: -g -O2 -Werror
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: install go
         uses: actions/setup-go@v5
         with:
@@ -89,7 +89,7 @@ jobs:
   codespell:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: install deps
       # Version of codespell bundled with Ubuntu is way old, so use pip.
       run: pip install --break-system-packages codespell==v2.4.1
@@ -99,14 +99,14 @@ jobs:
   shfmt:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     - name: shfmt
       run: make shfmt
 
   shellcheck:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: install shellcheck
         env:
           VERSION: v0.10.0
@@ -130,14 +130,14 @@ jobs:
   space-at-eol:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - run: rm -fr vendor
       - 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
     - name: install go
       uses: actions/setup-go@v5
       with:
@@ -182,7 +182,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: install deps
@@ -200,7 +200,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
 
@@ -230,7 +230,7 @@ jobs:
   get-images:
     runs-on: ubuntu-24.04
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - name: install bashbrew