Update actions/checkout action to v4

Author: renovate[bot]

.github/workflows/build_tag.yml

@@ -11,7 +11,7 @@ jobs:
   build_tag:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: cargo run -- --container-cmd=docker --create-release $GITHUB_REF_NAME
         env:
           GH_TOKEN: ${{ github.token }}

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - run: cargo check
       - run: cargo test