fix: hugo build for test index (#3054)

Signed-off-by: Attila Mészáros <a_meszaros@apple.com>

Author: csviri

.github/workflows/hugo.yaml

@@ -53,8 +53,7 @@ jobs:
           cache: maven
       - name: Build test-index-processor and generate test documentation
         run: |
-          ./mvnw clean install -DskipTests -pl test-index-processor
-          ./mvnw process-test-classes -DskipTests -pl operator-framework
+          ./mvnw clean install -DskipTests
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v5