Update Python's installation prefix #80

Job	Run time
Pre-commit checks / Pre-commit Checks	15s
Build apps (3.10, ppb) / Verify App Build	2m 43s
Build apps (3.10, pyside6) / Verify App Build	5m 15s
Build apps (3.10, toga) / Verify App Build	3m 30s
Build apps (3.10, pygame) / Verify App Build	2m 50s
Build apps (3.11, ppb) / Verify App Build	2m 40s
Build apps (3.11, pygame) / Verify App Build	2m 43s
Build apps (3.11, pyside6) / Verify App Build	5m 38s
Build apps (3.11, toga) / Verify App Build	3m 18s
Build apps (3.12, ppb) / Verify App Build	4m 14s
Build apps (3.12, pyside6) / Verify App Build	4m 37s
Build apps (3.12, toga) / Verify App Build	3m 31s
Build apps (3.12, pygame) / Verify App Build	3m 8s
Build apps (3.8, ppb) / Verify App Build	2m 39s
Build apps (3.8, pygame) / Verify App Build	3m 2s
Build apps (3.8, pyside6) / Verify App Build	5m 20s
Build apps (3.8, toga) / Verify App Build	3m 15s
Build apps (3.9, ppb) / Verify App Build	2m 46s
Build apps (3.9, pygame) / Verify App Build	3m 7s
Build apps (3.9, pyside6) / Verify App Build	4m 19s
Build apps (3.9, toga) / Verify App Build	3m 1s
	1h 11m 51s

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