Changed: 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](https://github.com/actions/upload-artifact/compare/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] <support@github.com>

.github/workflows/debug_build.yml

@@ -79,7 +79,7 @@ jobs:
           fi
 
       - name: Attach universal APK file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_universal
           path: |
@@ -87,7 +87,7 @@ jobs:
             ${{ env.APK_DIR_PATH }}/output-metadata.json
 
       - name: Attach arm64-v8a APK file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_arm64-v8a
           path: |
@@ -95,7 +95,7 @@ jobs:
             ${{ env.APK_DIR_PATH }}/output-metadata.json
 
       - name: Attach armeabi-v7a APK file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_armeabi-v7a
           path: |
@@ -103,7 +103,7 @@ jobs:
             ${{ env.APK_DIR_PATH }}/output-metadata.json
 
       - name: Attach x86_64 APK file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_x86_64
           path: |
@@ -111,7 +111,7 @@ jobs:
             ${{ env.APK_DIR_PATH }}/output-metadata.json
 
       - name: Attach x86 APK file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_x86
           path: |
@@ -119,7 +119,7 @@ jobs:
             ${{ env.APK_DIR_PATH }}/output-metadata.json
 
       - name: Attach sha256sums file
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.APK_BASENAME_PREFIX }}_sha256sums
           path: |