Bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/clippy.yml

@@ -21,7 +21,7 @@ jobs:
       security-events: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup rust toolchain
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af #@v1
         with:

.github/workflows/docker.yml

@@ -18,7 +18,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build the Docker image
         run: docker buildx build --tag ${{ secrets.DOCKERHUB_USERNAME }}/contained:latest .
       - name: cache
@@ -32,7 +32,7 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Get cache
       uses: actions/cache@v3
       with:

.github/workflows/nightly.yml

@@ -16,7 +16,7 @@ jobs:
         toolchain: [nightly, stable]
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: setup langspace
         if: ${{ matrix.platform == 'ubuntu-latest' }}
         run: |

.github/workflows/rust.yml

@@ -30,7 +30,7 @@ jobs:
         toolchain: [ stable, nightly ]
     runs-on: ${{ matrix.platform }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: setup (langspace)
         run: |
           rustup update
@@ -61,7 +61,7 @@ jobs:
     env:
       PACKAGE_NAME: ${{ github.event.repository.name }}-${{ matrix.features }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish (${{env.PACKAGE_NAME}})
         run: cargo publish --all-features -v -p ${{env.PACKAGE_NAME}} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}
   publish:
@@ -70,7 +70,7 @@ jobs:
     needs: features
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Publish (${{ github.event.repository.name }})
         run: cargo publish --all-features -v -p ${{ github.event.repository.name }} --token ${{ secrets.CARGO_REGISTRY_TOKEN }}