Bump py-cord to 2.7 #2423

Job	Run time
flake8	12s
pymarkdown	12s
uv-check	8s
ruff-lint	11s
pre-commit / autofix-pre-commit	3m 11s
pytest	19s
mypy (package)	27s
mypy (tests)	22s
release	0s
build-and-publish	0s
	5m 2s

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