Update actions/stale action to v10 (#33) #51

Job	Run time
lint-unit / cookstyle	24s
lint-unit / markdown-link-check	12s
lint-unit / markdownlint-cli2	6s
lint-unit / yamllint	9s
lint-unit / rspec	27s
lint-unit / check-metadata	0s
integration-windows-2019 (windows-2019, resources)	3m 10s
integration-windows-2019 (windows-2019, internet-printing)	3m 27s
integration-windows-2019 (windows-2019, default)	3m 26s
integration-windows-2019 (windows-2019, lpd-service)	3m 20s
	14m 41s

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