ci: bump the actions group with 2 updates

Bumps the actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action).


Updates `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](df4cb1c069...9c091bb21b)

Updates `zizmorcore/zizmor-action` from 0.5.6 to 0.5.7
- [Release notes](https://github.com/zizmorcore/zizmor-action/releases)
- [Commits](5f14fd08f7...192e21d79a)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: 7.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: zizmorcore/zizmor-action
  dependency-version: 0.5.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions
...

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

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
       id-token: "write"
       contents: "read"
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
       - uses: ./.

.github/workflows/release.yml

@@ -25,7 +25,7 @@ jobs:
           shorttag=$(echo "$VERSION" | cut -d'.' -f1)
           echo "shorttag=$shorttag" >> "$GITHUB_OUTPUT"
 
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Create the short tag
         env:
           SHORTTAG: ${{ steps.check_tag.outputs.shorttag }}

.github/workflows/zizmor.yml

@@ -15,11 +15,11 @@ jobs:
       actions: read
     steps:
       - name: Checkout repository
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 
       - name: Run zizmor
-        uses: zizmorcore/zizmor-action@5f14fd08f7cf1cb1609c1e344975f152c7ee938d # v0.5.6
+        uses: zizmorcore/zizmor-action@192e21d79ab29983730a13d1382995c2307fbcaa # v0.5.7
         with:
           config: .github/zizmor.yml