Switch to explicit linux system handling. #358

Job	Run time
Pre-commit checks / Pre-commit Checks	20s
Unit tests	40s
Build app (console, ubuntu-latest) / Verify App Build	9m 2s
Build app (pygame, macos-latest) / Verify App Build	2m 17s
Build app (console, windows-latest) / Verify App Build	3m 21s
Build app (console, macos-latest) / Verify App Build	2m 13s
Build app (pygame, ubuntu-latest) / Verify App Build	7m 27s
Build app (pyside6, macos-latest) / Verify App Build	7m 49s
Build app (pygame, windows-latest) / Verify App Build	3m 31s
Build app (pyside6, ubuntu-latest) / Verify App Build	22m 23s
Build app (pyside6, windows-latest) / Verify App Build	5m 50s
Build app (toga, macos-latest) / Verify App Build	13m 48s
Build app (toga, ubuntu-latest) / Verify App Build	13m 1s
Build app (toga, windows-latest) / Verify App Build	7m 47s
Verify project (console, macos-latest) / Verify Project	41s
Verify project (console, ubuntu-latest) / Verify Project	38s
Verify project (pygame, macos-latest) / Verify Project	40s
Verify project (console, windows-latest) / Verify Project	1m 57s
Verify project (pygame, ubuntu-latest) / Verify Project	43s
Verify project (pygame, windows-latest) / Verify Project	1m 36s
Verify project (pyside6, macos-latest) / Verify Project	37s
Verify project (pyside6, ubuntu-latest) / Verify Project	33s
Verify project (pyside6, windows-latest) / Verify Project	2m 40s
Verify project (toga, macos-latest) / Verify Project	39s
Verify project (toga, ubuntu-latest) / Verify Project	47s
Verify project (toga, windows-latest) / Verify Project	3m 41s
	1h 54m 41s

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