Update CHANGELOG.md (#17159) #12304

Job	Run time
Test suite with py38-ubuntu, mypyc-compiled	19m 33s
Test suite with py38-windows-64	28m 20s
Test mypyc suite with 32-bit Python	8m 19s
Test suite with py39-ubuntu	19m 2s
Test suite with py310-ubuntu	18m 29s
Test suite with py311-ubuntu, mypyc-compiled	17m 45s
Test suite with py312-ubuntu, mypyc-compiled	20m 7s
mypyc runtime tests with py39-macos	18s
mypyc runtime tests with py38-debug-build-ubuntu	5m 40s
Type check our own code (py38-ubuntu)	2m 0s
Type check our own code (py38-windows-64)	2m 26s
Formatting and code style with Black + ruff	42s
	2h 22m 41s

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