ci: install rustfmt and clippy

.github/workflows/gradle.yml

@@ -24,17 +24,17 @@ jobs:
         working-directory: java
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up JDK 21
-      uses: actions/setup-java@v4
+    - uses: actions/checkout@v6
+    - name: Set up JDK 25
+      uses: actions/setup-java@v5
       with:
-        java-version: '21'
+        java-version: '25'
         distribution: 'temurin'
 
     # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
     # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
     - name: Setup Gradle
-      uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582 # v4.0.0
+      uses: gradle/actions/setup-gradle@v5
 
     - name: Build with Gradle Wrapper
       run: ./gradlew build

.github/workflows/rust.yml

@@ -16,27 +16,36 @@ jobs:
             contents: read
 
         steps:
-            - uses: actions/checkout@v4
-            - name: Set up JDK 21
-              uses: actions/setup-java@v4
+            - uses: actions/checkout@v6
+
+            - name: Set up JDK 25
+              uses: actions/setup-java@v5
               with:
-                  java-version: "21"
+                  java-version: "25"
                   distribution: "temurin"
             - name: Setup Gradle
-              uses: gradle/actions/setup-gradle@af1da67850ed9a4cedd57bfd976089dd991e2582
+              uses: gradle/actions/setup-gradle@v5
             - name: Build JAR with Gradle
               run: ./gradlew jar
               working-directory: java
 
+            - name: Install Rust Toolchain
+              uses: rust-lang/setup-rust-toolchain@v1
+              with:
+                  components: rustfmt, clippy
+
             - name: Check Formatting
               run: cargo fmt --all -- --check
               working-directory: rust
+            
             - name: Lint with Clippy
               run: cargo clippy -- -D warnings
               working-directory: rust
+            
             - name: Build rust
               run: cargo build --verbose
               working-directory: rust
+            
             - name: Run rust tests
               run: cargo test --verbose
-              working-directory: rust
+              working-directory: rust