Bump actions/checkout from 6 to 7 (#675)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/multidocs.yml

@@ -14,7 +14,7 @@ jobs:
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # For authentication with GitHub Actions token
       DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: '1.12.2' # set to '1' after 1.12.4 release, see https://github.com/JuliaLang/Pkg.jl/pull/4568

.github/workflows/test_GNNGraphs.yml

@@ -25,7 +25,7 @@ jobs:
           - x64
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}

.github/workflows/test_GNNLux.yml

@@ -23,7 +23,7 @@ jobs:
           - x64
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}

.github/workflows/test_GNNlib.yml

@@ -25,7 +25,7 @@ jobs:
           - x64
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}

.github/workflows/test_GraphNeuralNetworks.yml

@@ -23,7 +23,7 @@ jobs:
           - x64
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: julia-actions/setup-julia@v3
         with:
           version: ${{ matrix.version }}