docs: convert bold cross-references into links, link SEP and RFC mentions #3184

Job	Run time
checks / pre-commit	52s
checks / readme-snippets	11s
checks / docs	42s
checks / test (3.10, lowest-direct, windows-latest)	1m 40s
checks / test (3.11, lowest-direct, windows-latest)	1m 42s
checks / test (3.10, locked, windows-latest)	1m 45s
checks / test (3.11, lowest-direct, ubuntu-latest)	1m 9s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 26s
checks / test (3.12, lowest-direct, windows-latest)	1m 36s
checks / test (3.12, locked, ubuntu-latest)	1m 26s
checks / test (3.10, locked, ubuntu-latest)	1m 11s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.11, locked, windows-latest)	1m 36s
checks / test (3.12, locked, windows-latest)	1m 59s
checks / test (3.11, locked, ubuntu-latest)	1m 9s
checks / test (3.13, lowest-direct, ubuntu-latest)	1m 14s
checks / test (3.14, locked, windows-latest)	2m 51s
checks / test (3.13, lowest-direct, windows-latest)	1m 44s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 6s
checks / test (3.14, locked, ubuntu-latest)	2m 15s
checks / test (3.13, locked, windows-latest)	1m 44s
checks / test (3.13, locked, ubuntu-latest)	1m 4s
checks / test (3.14, lowest-direct, windows-latest)	1m 29s
all-green	5s
	33m 14s

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