ci(wasm-privacy-coin): restore JDK 17 setup step in publish workflow

Used by mvn deploy:deploy-file in .releaserc.json to deploy the JAR
to GitHub Packages during semantic-release.

Ticket: CSHLD-1161

Author: Ranjna-G

.github/workflows/publish.yaml

@@ -82,6 +82,12 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
 
+      - name: Setup JDK 17 (for wasm-privacy-coin Maven deploy)
+        uses: actions/setup-java@v4
+        with:
+          distribution: corretto
+          java-version: "17"
+
       - name: Install dependencies
         run: npm ci --workspaces --include-workspace-root