CI: Upgrade compilers
Upgrade compilers in all images (even for merge requests) according to following rule:
- if
g++
version at least9
is available, use it - else use
clang++
Upgrade compilers in all images (even for merge requests) according to following rule:
g++
version at least 9
is available, use itclang++
added P-high label
mentioned in issue #201 (closed)
closed