Set Development Status classifier to Production/Stable #3004

Job	Run time
checks / test (3.10, locked, ubuntu-latest)	1m 7s
checks / test (3.14, lowest-direct, windows-latest)	1m 38s
checks / test (3.14, locked, ubuntu-latest)	2m 7s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 16s
checks / test (3.11, locked, ubuntu-latest)	1m 5s
checks / test (3.14, locked, windows-latest)	2m 29s
checks / test (3.10, locked, windows-latest)	1m 46s
checks / pre-commit	49s
checks / test (3.10, lowest-direct, windows-latest)	1m 33s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 7s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 1s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 7s
checks / test (3.12, locked, ubuntu-latest)	1m 8s
checks / test (3.12, lowest-direct, windows-latest)	1m 48s
checks / test (3.12, locked, windows-latest)	1m 57s
checks / readme-snippets	13s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 11s
checks / test (3.13, lowest-direct, windows-latest)	1m 39s
checks / test (3.13, locked, windows-latest)	1m 48s
checks / test (3.13, locked, ubuntu-latest)	57s
checks / test (3.11, lowest-direct, windows-latest)	1m 44s
checks / test (3.11, locked, windows-latest)	1m 44s
all-green	5s
	31m 19s

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