ci: bump actions/checkout from 6.0.3 to 7.0.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 6.0.3 to 7.0.0.
- [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/df4cb1c069e1874edd31b4311f1884172cec0e10...9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-xemu-win64-toolchain.yml

@@ -29,7 +29,7 @@ jobs:
       IMAGE_NAME: xemu-project/xemu-win64-toolchain-${{ matrix.toolchain }}
     steps:
       - name: Clone tree
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
       - name: Extract image metadata (tags, labels)
         id: meta
         uses: docker/metadata-action@80c7e94dd9b9319bd5eb7a0e0fe9291e23a2a2e9 # v6.1.0

.github/workflows/build.yml

@@ -20,7 +20,7 @@ jobs:
       pkg_version: ${{ steps.version.outputs.pkg_version }}
     steps:
     - name: Clone tree
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
       with:
         fetch-depth: 0
         ref: ${{ inputs.ref }}

.github/workflows/bump-subproject-wraps.yml

@@ -18,7 +18,7 @@ jobs:
     name: "Bump Meson subprojects"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
 
       - name: Install dependencies
         run: |

.github/workflows/release-on-dispatch.yml

@@ -17,7 +17,7 @@ jobs:
       tag: ${{ steps.semver.outputs.next }}
     steps:
     - name: Clone tree
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
     - name: Determine new tag version
       id: semver
       run: |

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
     if: ${{ !cancelled() && needs.build.result == 'success' }}
     steps:
     - name: Clone tree
-      uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4
+      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v4
       with:
         fetch-depth: 0
         ref: ${{ inputs.ref }}