Bump actions/checkout from 3 to 4 (#363)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Leo <lenemter@gmail.com>

.github/workflows/gettext.yml

@@ -17,7 +17,7 @@ jobs:
         apt-get install git -y
 
     - name: Clone repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         token: ${{ secrets.GIT_USER_TOKEN }}
 

.github/workflows/main.yml

@@ -21,7 +21,7 @@ jobs:
       image: ghcr.io/elementary/docker:${{ matrix.version }}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Install Dependencies
       run: |
         apt update
@@ -39,5 +39,5 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: elementary/actions/vala-lint@master

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
      runs-on: ubuntu-latest
      if: github.event.pull_request.merged == true && true == contains(join(github.event.pull_request.labels.*.name), 'Release')
      steps:
-     - uses: actions/checkout@v3
+     - uses: actions/checkout@v4
      - uses: elementary/actions/release@master
        env:
          GIT_USER_TOKEN: "${{ secrets.GIT_USER_TOKEN }}"