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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     name: Check Generated Headers
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: true
       - run: sudo apt-get update && sudo apt-get install -y cmake
@@ -31,7 +31,7 @@ jobs:
     permissions:
       security-events: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
@@ -51,7 +51,7 @@ jobs:
     name: Format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt
@@ -61,7 +61,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
@@ -74,7 +74,7 @@ jobs:
     name: Test (vendored)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
@@ -85,7 +85,7 @@ jobs:
     name: Test (system libversion)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable