Update GitHub dependencies.

Author: gvtulder

.github/workflows/build-apps.yaml

@@ -108,7 +108,7 @@ jobs:
           status: draft
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Android package
           path: |
@@ -209,7 +209,7 @@ jobs:
             || true
 
       - name: Upload build artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: ${{ env.KEYCHAIN_PASSWORD != '' }}
         with:
           name: iOS package
@@ -228,7 +228,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Download artifacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           merge-multiple: true