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/ci.yml

@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU for aarch64 emulation
         if: ${{ matrix.arch != 'x86_64' }}
@@ -47,5 +47,5 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: elementary/actions/vala-lint@master

.github/workflows/merge.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU for aarch64 emulation
         if: ${{ matrix.arch != 'x86_64' }}
@@ -61,7 +61,7 @@ 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/release.yml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Release
         uses: elementary/actions/release@master
@@ -44,7 +44,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU for aarch64 emulation
         if: ${{ matrix.arch != 'x86_64' }}