Expand site-absolute spec links in generated docstrings to full URLs #2742

Job	Run time
checks / pre-commit	41s
checks / test (3.10, locked, ubuntu-latest)	58s
checks / test (3.10, lowest-direct, ubuntu-latest)	49s
checks / test (3.10, locked, windows-latest)	1m 26s
checks / test (3.12, locked, windows-latest)	1m 29s
checks / test (3.13, locked, ubuntu-latest)	50s
checks / test (3.11, locked, ubuntu-latest)	59s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 3s
checks / test (3.12, locked, ubuntu-latest)	1m 0s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 0s
checks / test (3.13, locked, windows-latest)	1m 29s
checks / test (3.10, lowest-direct, windows-latest)	1m 31s
checks / test (3.12, lowest-direct, windows-latest)	1m 41s
checks / test (3.14, locked, ubuntu-latest)	1m 59s
checks / test (3.13, lowest-direct, ubuntu-latest)	58s
checks / test (3.14, lowest-direct, windows-latest)	1m 29s
checks / test (3.14, locked, windows-latest)	2m 33s
checks / test (3.13, lowest-direct, windows-latest)	2m 30s
checks / test (3.11, lowest-direct, windows-latest)	1m 31s
checks / test (3.14, lowest-direct, ubuntu-latest)	57s
checks / test (3.11, locked, windows-latest)	1m 36s
checks / readme-snippets	13s
all-green	5s
	28m 47s

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