Bump coverage from 7.6.7 to 7.6.8 #91

Job	Run time
pre-commit	23s
docs-build	4m 57s
tests 3.12 [ubuntu-latest]	1m 6s
type-checking	21s
tests 3.11 [ubuntu-latest]	1m 0s
tests 3.10 [ubuntu-latest]	1m 1s
tests 3.12 [windows-latest]	1m 56s
tests 3.11 [windows-latest]	1m 39s
tests 3.10 [windows-latest]	2m 10s
tests 3.12 [macos-latest]	1m 18s
tests 3.11 [macos-latest]	52s
tests 3.10 [macos-latest]	1m 2s
tests 3.12 [macos-13]	1m 46s
tests 3.11 [macos-13]	1m 55s
tests 3.10 [macos-13]	1m 34s
tests-extended 3.12 [ubuntu-latest]	1m 4s
coverage	16s
	24m 20s

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