chore(deps): update actions/checkout action to v4 (#130)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: builder
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup rust toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1

.github/workflows/lint.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Lint actions
         uses: reviewdog/action-actionlint@v1

.github/workflows/release.yml

@@ -43,7 +43,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ fromJson(needs.release-please.outputs.pr).headBranchName }}
           token: ${{ secrets.FLUENCEBOT_RELEASE_PLEASE_PAT }}
@@ -93,7 +93,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Import secrets
         uses: hashicorp/vault-action@v2.5.0