Refactor release action setup to install GPG key

Author: JeanMarc van Leerdam

.github/workflows/release.yml

@@ -9,9 +9,14 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - uses: olafurpg/setup-scala@v14
+      - name: Set up JDK
+        uses: actions/setup-java@v4
         with:
-          java-version: zulu@1.17
+          distribution: temurin
+          java-version: 17
+          gpg-private-key: ${{ secrets.PGP_SECRET }}
+          gpg-passphrase: PGP_PASSPHRASE
+      - uses: sbt/setup-sbt@v1
       - run: sbt ci-release
         env:
           PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}