Tests

[misc] fix blog post generator quirks #14778

Job	Run time
Test mypyc suite with 32-bit Python	7m 27s
Test suite with py39-ubuntu, mypyc-compiled	13m 44s
Test suite with py39-windows-64	20m 50s
Test suite with py310-ubuntu	6s
Test suite with py311-ubuntu, mypyc-compiled	11m 30s
Test suite with py312-ubuntu, mypyc-compiled	12m 40s
Test suite with py313-ubuntu, mypyc-compiled	12m 51s
mypyc runtime tests with py39-macos	4m 58s
Type check our own code (py39-ubuntu)	2m 2s
Type check our own code (py39-windows-64)	2m 25s
Formatting and code style with Black + ruff	1m 48s
	1h 30m 21s

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