[SKIP CI] Use non-fork version of APK signing action

.github/workflows/build.yml

@@ -63,7 +63,7 @@ jobs:
 
       - name: Sign APK
         if: startsWith(github.ref, 'refs/tags/') && github.repository == 'inorichi/tachiyomi'
-        uses: jobobby04/[email protected]
+        uses: r0adkll/sign-android-release@v1
         with:
           releaseDirectory: app/build/outputs/apk/standard/release
           signingKeyBase64: ${{ secrets.SIGNING_KEY }}