build(deps): bump actions/checkout from 6 to 7

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>

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -22,7 +22,7 @@ jobs:
         java: [21]
     steps:
     - name: Checkout sources
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
 
     - name: Setup Java ${{ matrix.java }}
       uses: actions/setup-java@v5

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
       id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Java 21
         uses: actions/setup-java@v5

.github/workflows/stage.yml

@@ -18,7 +18,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Java 21
         uses: actions/setup-java@v5
@@ -52,7 +52,7 @@ jobs:
     if: github.repository_owner == 'guacsec'
     steps:
       - name: Checkout sources
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Download distribution artifacts
         uses: actions/download-artifact@v8