Fix publish-docs

Author: Corneil du Plessis

.github/workflows/publish-docs.yml

@@ -90,7 +90,7 @@ jobs:
           echo "::notice ::set-package-version"
           ./spring-cloud-dataflow-package/set-package-version.sh
           echo "::notice ::install"
-          mvn -am -pl :spring-cloud-skipper-server-core assemble -DskipTests -T 1C
+          mvn -am -pl :spring-cloud-skipper-server-core install -DskipTests -T 1C
           jfrog rt mvn -gs .github/settings.xml \
             -Pstagingrelease,full,deploymentfiles,asciidoctordocs,restdocs \
             -pl :spring-cloud-dataflow-classic-docs,:spring-cloud-dataflow-docs,:spring-cloud-skipper-docs \