chore(deps): update actions/setup-python action to v6.2.0 #3220

Job	Run time
Integration Tests (pdm.lock)	29s
Integration Tests (pdm.minimal.lock)	28s
test_min_deps (ubuntu-latest)	43s
test_min_deps (macos-latest)	51s
test_min_deps (windows-latest)	1m 12s
test (3.13, ubuntu-latest)	1m 7s
test (3.14, ubuntu-latest)	1m 3s
test (3.10, windows-latest)	1m 36s
test (3.13, windows-latest)	1m 38s
test (3.11, macos-latest)	47s
test (3.14, windows-latest)	1m 54s
test (3.11, windows-latest)	1m 37s
test (3.10, macos-latest)	1m 11s
test (3.11, ubuntu-latest)	57s
test (3.10, ubuntu-latest)	1m 9s
test (3.14, macos-latest)	1m 13s
test (3.12, ubuntu-latest)	1m 11s
test (3.13, macos-latest)	46s
test (3.12, macos-latest)	58s
test (3.12, windows-latest)	1m 32s
Combine & check coverage	16s
	22m 38s

Provide feedback