Bump spring-io/spring-doc-actions from 0.0.18 to 0.0.19 #7995

Job	Run time
Check Samples	6m 50s
Build (ubuntu-latest, 17) / Build	1m 53s
Build (windows-latest, 17) / Build	3m 48s
Test Against Snapshots (17, 17) / Test	2m 14s
Test Against Snapshots (21-ea, 21) / Test	2m 44s
Deploy Artifacts / Deploy Artifacts	1m 48s
Deploy Schema / Deploy Schema	55s
Deploy Docs / Deploy Docs	1m 21s
Perform Release / Perform Release	0s
Send Notification	2s
	21m 35s

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