replace mdoc scala bootstrap

Author: majk-p

.github/workflows/mdoc.yml

@@ -35,7 +35,13 @@ jobs:
       - uses: olafurpg/setup-scala@v14
         with:
           java-version: graalvm-ce-java11@20.3.2
-      - uses: olafurpg/setup-gpg@v3
+      - uses: graalvm/setup-graalvm@v1
+        with:
+          java-version: 17
+          distribution: graalvm-community
+          components: native-image
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          cache: sbt
       - name: Run mdoc
         run: sbt 'docs/mdoc'
       - uses: actions/setup-node@v1