ci: Sign fail in build action

Credits: @sffxzzp

.github/workflows/build-app.yml

@@ -27,6 +27,13 @@ jobs:
         with:
           name: App bundle
           path: app-debug.apk
+      # https://github.com/r0adkll/sign-android-release/issues/84#issuecomment-1889636075
+      - name: Setup build tool version variable
+        shell: bash
+        run: |
+          BUILD_TOOL_VERSION=$(ls /usr/local/lib/android/sdk/build-tools/ | tail -n 1)
+          echo "BUILD_TOOL_VERSION=$BUILD_TOOL_VERSION" >> $GITHUB_ENV
+          echo Last build tool version is: $BUILD_TOOL_VERSION
       - uses: r0adkll/sign-android-release@v1
         if: github.event_name != 'pull_request'
         name: Sign app APK
@@ -36,6 +43,8 @@ jobs:
           signingKeyBase64: ${{ secrets.SIGNING_KEY }}
           alias: ${{ secrets.ALIAS }}
           keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+        env:
+          BUILD_TOOLS_VERSION: ${{ env.BUILD_TOOL_VERSION }}
       - uses: actions/upload-artifact@v4
         if: github.event_name != 'pull_request'
         name: Upload signed app APK