Since June 15th, 2021, the building on travis-ci.org is ceased. Please use travis-ci.com from now on.
The builds are ceased on travis-ci.org. It is required to switch to travis-ci.com or use something else (such as GitHub Actions). That scenario should also cover releasing a new version from a CI server.
The builds are ceased on travis-ci.org. It is required to switch to travis-ci.com or use something else (such as GitHub Actions). That scenario should also cover releasing a new version from a CI server.