Update latest version number during generation of documentation

Author: rjeberhard

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

@@ -46,6 +46,9 @@ jobs:
           echo "Documentation branch is $GITHUB_REF_NAME..."
           minor_version=${GITHUB_REF_NAME#"release/"}
           echo "Building documentation for older minor version..."
+          latest_tag=$(git ls-remote https://github.com/oracle/weblogic-kubernetes-operator.git --h --sort origin "refs/tags/v*" | cut -f2 | grep v$minor_version | tail -1 | cut -c12-)
+          echo "Latest tag is $latest_tag..."
+          echo $latest_tag >| $GITHUB_WORKSPACE/branch/documentation/site/layouts/shortcodes/latestVersion.html
           hugo -s site -d "$GITHUB_WORKSPACE/WORK/$minor_version" -b https://oracle.github.io/weblogic-kubernetes-operator/$minor_version
           cd $GITHUB_WORKSPACE/gh-pages
           rm -Rf $minor_version