ci-scripts 3.1 release: support for GitHub Actions

[Ralph Lange via Tech-talk <tech-talk@aps.anl.gov>]

Dear all,

Release 3.1 of the ci-scripts module is available on GitHub.

https://github.com/epics-base/ci-scripts/releases

This release adds full support of GitHub Actions as a CI service:

• Up to 20 parallel runners on Linux/Windows (5 runners on MacOS)
• Ubuntu 16/18/20, MacOS 10.15, Windows Server 2016/2019
• Compile natively on Linux (gcc, clang)
• Compile natively on MacOS (clang)
• Compile natively on Windows (gcc/MinGW, Visual Studio 2017 & 2019)
• Cross-compile for Windows 32bit and 64bit using MinGW and WINE
• Cross-compile for RTEMS 4.9 and 4.10 (Base >= 3.15).

Careful: This thing is extremely fast.

The ~50 compiling jobs of the ci-scripts module (base, sequencer and example app; including 12 native Windows, 8 cross Windows and 8 cross RTEMS jobs) run in less than 20 minutes.

Caching is possible, but not supported yet.

As always: thanks a lot to all contributors!

Please report all issues on the GitHub tracker.

(As I had no feedback on my call for beta testing, there might be even more issues left than usual.)

Cheers,
~Ralph