Bump actions/checkout from 2 to 3

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v3)

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

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -38,7 +38,7 @@ jobs:
           - install_type: FULL
             ssl: LIBRESSL
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Build NGINX in Docker
         run: docker build . --file .github/workflows/docker/Dockerfile --build-arg NGINX_VER=${{ matrix.nginx_ver }} --build-arg BASE_IMAGE=${{ matrix.os }} --build-arg INSTALL_TYPE=${{ matrix.install_type }} --build-arg SSL=${{ matrix.ssl }}

.github/workflows/lint.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: Lint Code Base
         uses: github/[email protected]
         env: