copr

Coverity CI changes: remove internal workflow and add 'covscan' label workflow for PRs #5768

Job	Run time
prepare	27s
build (fedora-39-x86_64)	15m 45s
build (fedora-40-x86_64)	12m 59s
build (centos-stream-10-x86_64)	5m 28s
build (fedora-rawhide-x86_64)	22m 31s
build (fedora-41-x86_64)	18m 2s
build (centos-stream-9-x86_64)	17m 51s
All copr builds are successful	1s
	1h 33m 4s

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