Bump version to v3.7.0 #77

Job	Run time
type-checking	26s
pre-commit	26s
docs-build	4m 52s
tests 3.12 [ubuntu-latest]	1m 11s
tests 3.11 [ubuntu-latest]	1m 1s
tests 3.10 [ubuntu-latest]	57s
tests 3.12 [windows-latest]	2m 4s
tests 3.11 [windows-latest]	1m 42s
tests 3.10 [windows-latest]	1m 53s
tests 3.12 [macos-latest]	52s
tests 3.11 [macos-latest]	53s
tests 3.10 [macos-latest]	51s
tests 3.12 [macos-13]	1m 44s
tests 3.11 [macos-13]	2m 18s
tests 3.10 [macos-13]	2m 20s
tests-extended 3.12 [ubuntu-latest]	1m 4s
coverage	17s
	24m 51s

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