Update `className` for `3.15` to `3.15.4` in Docusaurus config file; add patch version release notes for `3.15.4`#1328

josh-wong merged 3 commits intomainscalar-labs/docs-scalardb:mainfrom

add-3.15.4-release-notes-update-patch-version-in-docusaurus-configscalar-labs/docs-scalardb:add-3.15.4-release-notes-update-patch-version-in-docusaurus-configCopy head branch name to clipboard