Add workflow_dispatch trigger to multi-platform build to allow testing without release by yawkat · Pull Request #13 · yawkat/lz4-java

But that is only if you (as maintainer) push changes and create a PR. For external contributors push will not trigger1.

Footnotes

  1. At least not in the context of the PR. The user might have enabled actions for their fork, but that would be explicit opt-in and the outcome of that actions run has no influence and is not visible in the context of the PR.