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/build-dockers.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
           ref: ${{ github.head_ref }}
@@ -62,7 +62,7 @@ jobs:
             label: org.opencontainers.image.title=labca-control
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           ref: ${{ github.head_ref }}
 

.github/workflows/build-standalone.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           fetch-depth: 0

.github/workflows/golangci-lint.yml

@@ -23,7 +23,7 @@ jobs:
           - 1.24.4
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - uses: actions/setup-go@v5
         with:

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           fetch-depth: 0

.github/workflows/try-bump.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout Self
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - uses: oprypin/find-latest-tag@v1
         with:
@@ -22,7 +22,7 @@ jobs:
 
       - run: echo "Boulder is at version ${{ steps.boulder.outputs.tag }}"
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           repository: letsencrypt/boulder
           ref: ${{ steps.boulder.outputs.tag }}