gemini-blueprint-discard-release

Reverts the result of a release staging build by dropping the corresponding staging repository and deleting both the release tag and branch ("release"). To find the repository you wish to drop check the build log of the gemini-blueprint-stage-release build or search https://oss.sonatype.org for the corresponding artifacts, e.g. "gemini-blueprint": https://oss.sonatype.org/#nexus-search;quick~gemini-blueprint