update java

.github/workflows/uniffi.yaml

@@ -76,7 +76,7 @@ jobs:
           path: target/${{ matrix.settings.target }}/release/${{ format(matrix.settings.output, env.OUTPUT_NAME) }}
           if-no-files-found: error
 
-  release-kotlin:
+  release-java-kotlin:
     runs-on: ubuntu-latest
     needs: [ build ]
     #  TODO: Uncomment
@@ -87,6 +87,11 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
 
       - name: Setup Rust Toolchain
         uses: dtolnay/rust-toolchain@stable