Update actions/checkout action to v5

Author: renovate[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     name: Linting and Formatting
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -46,7 +46,7 @@ jobs:
             rust: nightly
             experimental: true
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -77,7 +77,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with:
@@ -118,7 +118,7 @@ jobs:
     needs:
       - build
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install rust
         uses: dtolnay/rust-toolchain@master
         with: