chore(deps): update actions/checkout action to v4

.github/workflows/build-docker.yml

@@ -11,7 +11,7 @@ jobs:
   build-docker-image:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
         with:

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: Swatinem/rust-cache@v2
       - name: Build
         run: cargo build --release