docs: fix GitHub links to point to v1.x branch (#2102) #582

Job	Run time
checks / pre-commit	31s
checks / readme-snippets	11s
checks / test (3.11, lowest-direct, ubuntu-latest)	42s
checks / test (3.12, lowest-direct, ubuntu-latest)	46s
checks / test (3.12, highest, windows-latest)	3m 42s
checks / test (3.10, highest, ubuntu-latest)	45s
checks / test (3.10, lowest-direct, ubuntu-latest)	44s
checks / test (3.10, highest, windows-latest)	2m 15s
checks / test (3.13, lowest-direct, ubuntu-latest)	47s
checks / test (3.13, lowest-direct, windows-latest)	2m 24s
checks / test (3.11, lowest-direct, windows-latest)	2m 19s
checks / test (3.11, highest, ubuntu-latest)	44s
checks / test (3.13, highest, windows-latest)	2m 32s
checks / test (3.11, highest, windows-latest)	2m 29s
checks / test (3.13, highest, ubuntu-latest)	49s
checks / test (3.12, lowest-direct, windows-latest)	3m 59s
checks / test (3.12, highest, ubuntu-latest)	52s
checks / test (3.10, lowest-direct, windows-latest)	2m 27s
	28m 58s

Provide feedback