docs: add 0.2.0 changelog for lock-order and parity work (#144) #332

Job	Run time
mypy	22s
Performance benchmarks (gated)	35s
Frontend unit tests (vitest) (ubuntu-latest)	26s
pytest (windows-latest)	2m 0s
Verify prod requirements.txt is sufficient	13s
API integration tests + coverage (macos-latest)	19s
ruff + pip-audit (macos-latest)	15s
ruff + pip-audit (ubuntu-latest)	24s
pytest (ubuntu-latest)	55s
pytest (macos-latest)	37s
Frontend unit tests (vitest) (windows-latest)	1m 11s
API integration tests + coverage (windows-latest)	1m 2s
Frontend unit tests (vitest) (macos-latest)	33s
ruff + pip-audit (windows-latest)	1m 16s
API integration tests + coverage (ubuntu-latest)	23s
	10m 31s

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