Update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/ci-and-release-tag.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Install Rust
         uses: dtolnay/rust-toolchain@stable
@@ -52,7 +52,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0
           fetch-tags: true