⬆️ Update sphinxext-rediraffe requirement from ~=0.2.7 to ~=0.3.0 (#1… #1915

Job	Run time
pre-commit	17s
Check myst-docutils install (0.21)	15s
pytest: py3.12, sphinx>=8,<9, on ubuntu-latest	33s
Check myst-docutils install (0.20)	13s
pytest: py3.11, sphinx>=8,<9, on ubuntu-latest	32s
pytest: py3.11, sphinx>=8,<9, on windows-latest	1m 17s
pytest: py3.13, sphinx>=8,<9, on ubuntu-latest	36s
check	4s
Publish myst-parser to PyPi	0s
Publish myst-docutils to PyPi	0s
	3m 47s

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