Update release.yml

Author: lhns

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
         run: |
           export RELEASE_STORE_FILE="$(readlink -f keystore.jks)"
           ./gradlew assembleRelease
-          mv app/build/outputs/apk/release/*.apk "restic-android-${CI_VERSION}.apk"
+          mv app/build/outputs/apk/release/*.apk "restic-android-${CI_VERSION#'refs/tags/'}.apk"
       - uses: actions/upload-artifact@v3
         with:
           path: '*.apk'