ci: bump actions/checkout from 3.5.3 to 3.6.0

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.5.3 to 3.6.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@c85c95e...f43a0e5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/pr-check.yaml

@@ -26,7 +26,7 @@ jobs:
         with:
           go-version: ${{ matrix.version }}
       - name: Checkout code
-        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
       - name: Check module vendoring
         run: |
           go mod tidy
@@ -51,7 +51,7 @@ jobs:
         with:
           go-version: ${{ matrix.version }}
       - name: Checkout code
-        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
       - name: Go code prechecks
         run: |
           go build ./...
@@ -74,7 +74,7 @@ jobs:
         with:
           go-version: ${{ matrix.version }}
       - name: Checkout code
-        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
       - name: Go code prechecks
         run: |
           go test ./...
@@ -83,7 +83,7 @@ jobs:
     needs: unit-test
     steps:
       - name: Checkout code
-        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744
       - name: Run golangci lint
         uses: golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc
         with: