With 3.4, the tip of the 'latest' branch will be a merge commit for
3.3-stable and the main branch, and not simply a fast-foward to an
already tested commit.
This sets up a tiny additional safety net before that merge.
GitHub runners unfortunately do not come with MinGW or VS 2010
pre-installed, so moving those builds will be more involved. MinGW-w64
is not a good replacement for MinGW as it is far more complete.
This gives at least some feedback for all supported platforms via the
GitHub Actions system.
The old Travis CI .org service has been throttled for a while now and is
said to be shutting down completely next week.
This migrates the Travis CI build jobs to GitHub Actions, with minor
changes.
- The trailing whitespace detection has been removed for now.
- The libegl1-mesa-dev dependency for Wayland has been removed as it
appears to no longer be necessary for building.
