Bump actions/checkout from 6 to 7

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/desktop-build.yml

@@ -66,7 +66,7 @@ jobs:
 
       - name: "Checkout"
         if: steps.configure.outputs.tag != null
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0    # fetch all history for all branches and tags
 
@@ -163,7 +163,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: "Restore compiler cache (ccache)"
         id: ccache_restore
@@ -352,7 +352,7 @@ jobs:
 
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           submodules: recursive
 

.github/workflows/desktop-lint.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: "Checkout"
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         fetch-depth: 20    # should be enough to find merge base
 

.github/workflows/docker-release.yml

@@ -31,7 +31,7 @@ jobs:
   
     steps:
       - name: "Checkout"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: "Docker metadata"
         id: metadata

.github/workflows/documentation-build.yml

@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           submodules: recursive
 

.github/workflows/translations-pull.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: "Pull translated strings from Transifex"
         uses: transifex/cli-action@v2

.github/workflows/translations-push.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: "Install lupdate"
         shell: bash