Fix rust ci

.github/workflows/rust.yml

@@ -1,25 +1,36 @@
-name: Rust
+name: Build with Rust
 
 on:
-  push:
-    branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
+    push:
+        branches: ["master"]
+    pull_request:
+        branches: ["master"]
 
 env:
-  CARGO_TERM_COLOR: always
+    CARGO_TERM_COLOR: always
 
 jobs:
-  build:
+    build:
+        runs-on: ubuntu-latest
+        permissions:
+            contents: read
 
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: rust
+        steps:
+            - uses: actions/checkout@v4
+            - name: Set up JDK 21
+              uses: actions/setup-java@v4
+              with:
+                  java-version: "21"
+                  distribution: "temurin"
+            - name: Setup Gradle
+              uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582
+            - name: Build JAR with Gradle
+              run: ./gradlew jar
+              working-directory: java
 
-    steps:
-    - uses: actions/checkout@v4
-    - name: Build
-      run: cargo build --verbose
-    - name: Run tests
-      run: cargo test --verbose
+            - name: Build rust
+              run: cargo build --verbose
+              working-directory: rust
+            - name: Run rust tests
+              run: cargo test --verbose
+              working-directory: rust