chore: release v2.6.4 #69

Job	Run time
check-and-lint	33s
adapter-tests (20.x, windows-latest)	5m 20s
adapter-tests (20.x, macos-latest)	44s
adapter-tests (22.x, ubuntu-latest)	49s
adapter-tests (22.x, macos-latest)	2m 12s
adapter-tests (24.x, ubuntu-latest)	50s
adapter-tests (22.x, windows-latest)	6m 2s
adapter-tests (20.x, ubuntu-latest)	52s
adapter-tests (24.x, windows-latest)	5m 16s
adapter-tests (24.x, macos-latest)	54s
deploy	27s
	23m 59s

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