build(deps): bump actions/checkout from 5 to 6 (#6167)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -141,7 +141,7 @@ jobs:
       TEST_SUITES: ${{ matrix.test-suites }}
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: "Set up Python"
         uses: actions/setup-python@v6
@@ -299,7 +299,7 @@ jobs:
       - name: Install cross compile dependencies
         run: sudo apt-get install -q -y git libgmp-dev:s390x libreadline-dev:s390x zlib1g-dev:s390x
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: ./autogen.sh
 
@@ -365,7 +365,7 @@ jobs:
     env:
       AUTOCONF_VERSION: 2.71
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Download required GAP packages
         run: |

.github/workflows/gapjl.yml

@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout GAP
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           path: 'GAPROOT'
       - name: "Set up Julia"

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: "Check out the repository"
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: "Set up Python"
         uses: actions/setup-python@v6
         with:

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
     name: "Validate release scripts"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: "Set up Python"
         uses: actions/setup-python@v6
@@ -72,7 +72,7 @@ jobs:
       # requires fetching the entire history. Therefore, we might as well do
       # that here when checking out the repo, which is what setting fetch-depth
       # to 0 accomplishes here.
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -207,7 +207,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: "Clone the Windows installer maker scripts"
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: gap-system/gap-windows
           ref: main

.github/workflows/update-gh-pages.yml

@@ -41,7 +41,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install --no-install-recommends "${packages[@]}"
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Configure GAP
         run: |
           ./autogen.sh && ./configure