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] <support@github.com>

Author: dependabot[bot]

.github/workflows/docker.yml

@@ -20,7 +20,7 @@ jobs:
     docker-build:
         runs-on: ubuntu-latest
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
             with:
                 fetch-depth: 0
         -   name: Build the Docker image
@@ -58,7 +58,7 @@ jobs:
             run: |
                 sudo apt-get -y -qq update
                 sudo apt-get -y install tree
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
             with:
                 fetch-depth: 0
         -   name: Restore docker image
@@ -101,7 +101,7 @@ jobs:
                 sudo apt-get -y -qq update
                 sudo apt-get -y install git-annex tree
                 pip install datalad
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
             with:
                 fetch-depth: 0
         -   name: Restore docker image
@@ -137,7 +137,7 @@ jobs:
                 shell: bash -el {0}
         if: ${{ github.ref == 'refs/heads/main' || github.ref_type == 'tag' }}
         steps:
-        -   uses: actions/checkout@v4
+        -   uses: actions/checkout@v5
             with:
                 fetch-depth: 0
         -   name: Restore docker image