chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/cgl.yml

@@ -8,7 +8,7 @@ jobs:
   cgl:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
     outputs:
       release-notes-url: ${{ steps.create-release.outputs.url }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0