Disable Pyside2 from CI builds. #52

Job	Run time
Pre-commit checks / Pre-commit Checks	17s
Build apps (3.10, toga) / Verify App Build	1m 58s
Build apps (3.10, pyside6) / Verify App Build	7m 37s
Build apps (3.10, ppb) / Verify App Build	1m 39s
Build apps (3.10, pygame) / Verify App Build	2m 15s
Build apps (3.11, ppb) / Verify App Build	1m 42s
Build apps (3.11, pygame) / Verify App Build	2m 26s
Build apps (3.11, pyside6) / Verify App Build	4m 41s
Build apps (3.11, toga) / Verify App Build	1m 49s
Build apps (3.12, ppb) / Verify App Build	2m 53s
Build apps (3.12, toga) / Verify App Build	2m 14s
Build apps (3.8, ppb) / Verify App Build	1m 2s
Build apps (3.8, pygame) / Verify App Build	3m 31s
Build apps (3.8, pyside6) / Verify App Build	4m 32s
Build apps (3.8, toga) / Verify App Build	2m 9s
Build apps (3.9, ppb) / Verify App Build	2m 7s
Build apps (3.9, pygame) / Verify App Build	3m 44s
Build apps (3.9, pyside6) / Verify App Build	4m 38s
Build apps (3.9, toga) / Verify App Build	2m 49s
	54m 3s

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