Add following step to your workflow:
- uses: nbelingheri/delete-tag@v0.3.0
with:
tag_name: v0.1.0 # tag name to delete (note it must be anotated for github to reconize the tag)
repo: <owner>/<repoName> # target repo (optional). defaults to repo running this action
env:
GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}