Fix workflow

.forgejo/workflows/build.yml

@@ -10,6 +10,9 @@ jobs:
       - name: Checkout
         uses: https://github.com/actions/checkout@v4
 
+      - name: Generate test keystore
+        run: keytool -keystore keystore.jks -storepass 123456 -keyalg rsa -genkey -alias mykey -dname "CN=Testing key"
+
       - name: Build
         run: ./mvnw package