Bump extension version to v0.8.14 #11716

Job	Run time
spelling	13s
lint_node	46s
build_node (ubuntu-latest)	1m 34s
Ruby 3.1 on ubuntu-latest	16m 11s
lint_ruby	27s
build_node (macos-latest)	1m 58s
Ruby 3.2 on ubuntu-latest	15m 49s
build_node (windows-latest)	5m 58s
Ruby 3.3 on ubuntu-latest	10m 11s
Verify Jekyll website builds	13s
Ruby 3.1 on macos-latest	9m 37s
Ruby 3.2 on macos-latest	10m 20s
Ruby 3.3 on macos-latest	7m 3s
Ruby 3.1 on windows-latest	24m 46s
Ruby 3.2 on windows-latest	24m 9s
Ruby 3.3 on windows-latest	26m 50s
	2h 36m 5s

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