Bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build.yml

@@ -61,7 +61,7 @@ jobs:
         run: tar -czvf MyDesktopApplication-${{ matrix.artifact }}.tar.gz -C ./publish/${{ matrix.artifact }} .
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ matrix.artifact }}
           path: |
@@ -110,7 +110,7 @@ jobs:
           fi
       
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: android
           path: MyDesktopApplication-android.apk

.github/workflows/release.yml

@@ -62,7 +62,7 @@ jobs:
         run: tar -czvf MyDesktopApplication-${{ matrix.artifact }}.tar.gz -C ./publish/${{ matrix.artifact }} .
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: release-${{ matrix.artifact }}
           path: |
@@ -111,7 +111,7 @@ jobs:
           fi
       
       - name: Upload artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: release-android
           path: MyDesktopApplication-android.apk