Correct calculation of latest tag

Author: rjeberhard

.github/workflows/publish-gh-pages.yml

@@ -45,7 +45,7 @@ jobs:
           
           cd $GITHUB_WORKSPACE/branch-4.2/documentation
           echo "Building documentation for 4.2 minor version..."
-          latest_42_tag=$(git ls-remote https://github.com/oracle/weblogic-kubernetes-operator.git --h --sort origin "refs/tags/v*" | cut -f2 | grep v4.2 | tail -1 | cut -c12-)
+          latest_42_tag=$(git ls-remote https://github.com/oracle/weblogic-kubernetes-operator.git --h --sort origin "refs/tags/v*" | cut -f2 | grep v4.2 | cut -c12- | sort --version-sort | tail -1)
           echo "Latest tag is $latest_42_tag..."
           echo $latest_42_tag >| $GITHUB_WORKSPACE/branch-4.2/documentation/site/layouts/shortcodes/latestVersion.html
           cat $GITHUB_WORKSPACE/branch-4.2/documentation/site/layouts/shortcodes/latestVersion.html