Update rustup before compile

.github/workflows/releases.yml

@@ -26,7 +26,7 @@ jobs:
           echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.2.9519653" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
 
       - name: Install Rust Toolchain
-        run: rustup target add armv7-linux-androideabi aarch64-linux-android i686-linux-android x86_64-linux-android
+        run: rustup update && rustup target add armv7-linux-androideabi aarch64-linux-android i686-linux-android x86_64-linux-android
 
       - name: Gradle Build
         uses: gradle/gradle-build-action@v2