Correct stable v2 target date to 2026-07-28 (#3105) #3636

Job	Run time
checks / readme-snippets	16s
checks / pre-commit	55s
checks / docs	1m 3s
checks / test (3.12, lowest-direct, windows-latest)	1m 56s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 31s
checks / test (3.10, lowest-direct, windows-latest)	2m 3s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 20s
checks / test (3.10, locked, ubuntu-latest)	1m 26s
checks / test (3.11, locked, ubuntu-latest)	1m 21s
checks / test (3.11, lowest-direct, windows-latest)	1m 58s
checks / test (3.10, locked, windows-latest)	1m 43s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 27s
checks / test (3.13, locked, ubuntu-latest)	1m 22s
checks / test (3.14, lowest-direct, windows-latest)	2m 3s
checks / test (3.12, locked, windows-latest)	1m 56s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 24s
checks / test (3.13, lowest-direct, windows-latest)	2m 11s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 13s
checks / test (3.14, locked, windows-latest)	2m 0s
checks / test (3.14, locked, ubuntu-latest)	1m 19s
checks / test (3.13, locked, windows-latest)	1m 53s
checks / test (3.12, locked, ubuntu-latest)	1m 36s
checks / test (3.11, locked, windows-latest)	1m 40s
all-green	2s
	35m 38s

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