Fix docs workflow for Dokka v2

Author: MattiasBuelens

.github/workflows/docs.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v3
       - name: Build API documentation with Dokka
-        run: ./gradlew ui:dokkaHtml --no-configuration-cache
+        run: ./gradlew ui:dokkaGeneratePublicationHtml
       - name: Build with Jekyll
         uses: actions/jekyll-build-pages@v1
         with: