PR: Add `QT_VERSION` environment variable #1055

Job	Run time
Test ubuntu-latest Python 3.7 conda=Yes	3m 41s
Test ubuntu-latest Python 3.7 conda=No	3m 42s
Test ubuntu-latest Python 3.11 conda=Yes	2m 18s
Test ubuntu-latest Python 3.11 conda=No	2m 20s
Test windows-latest Python 3.7 conda=Yes	5m 32s
Test windows-latest Python 3.7 conda=No	6m 50s
Test windows-latest Python 3.11 conda=Yes	6m 50s
Test windows-latest Python 3.11 conda=No	6m 2s
Test macos-latest Python 3.7 conda=Yes	7m 9s
Test macos-latest Python 3.7 conda=No	9m 45s
Test macos-latest Python 3.11 conda=Yes	4m 24s
Test macos-latest Python 3.11 conda=No	3m 49s
Finish Coveralls	4s
	1h 2m 26s

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