chore: tagRelease.sh: bump to 3.6.4 in release-1.6 branch [skip-build]#2681

rhdh-bot wants to merge 1 commit intorelease-1.6janus-idp/backstage-plugins:release-1.6from

pr-bump-to-3.6.4-in-release-1.6-1753191907janus-idp/backstage-plugins:pr-bump-to-3.6.4-in-release-1.6-1753191907Copy head branch name to clipboard