Bump py-cord to 2.7 #2443

Job	Run time
ruff-lint	13s
flake8	14s
uv-check	7s
pymarkdown	9s
pre-commit / autofix-pre-commit	2m 12s
pytest	18s
mypy (package)	33s
mypy (tests)	18s
build-and-publish	0s
release	0s
	4m 4s

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