Deprecate Workflows of Ubuntu 18.04 and macOS 10.15

[der3318]

The two runners are deprecated in 2023. Jobs relying on these OS will end up with message "waiting for a runner to pick up this job" and timeout:

• https://github.com/actions/runner-images/issues/6002
• https://github.com/actions/runner-images/issues/5583

Update the workflow definition file to use the following runners (that are still supported):

• ubuntu-20.04
• ubuntu-22.04
• macos-11
• macos-12 (newly added)
• windows-2019

A sample succeeded run: https://github.com/der3318/YUView/actions/runs/5506804312

Notes

You will probably want to upgrade runners in YUViewQt/.github/workflows /qtbase.yml as well, in order to generate something like qtBase5.15.1focal.zip instead of keep using qtBase5.15.1bionic.zip.

[ChristianFeldmann]

So it was a bit of work but I did exactly what is described here. The ubntu 18 runner is deprecated and I added the newer ones. I also updated the Qt version and openSSL. https://github.com/IENT/YUView/pull/536