Github-actions: add copr-upload workflow #44

Job	Run time
check / clang-checks	1m 33s
check / editor-config	10s
build-os-matrix	2s
make-tests (oraclelinux:9) / tests	2m 18s
build (oraclelinux:9) / build	2m 51s
rpm-build (oraclelinux:9) / rpm-build	5m 37s
rpm-install (oraclelinux:9) / rpm-install	1m 13s
	13m 44s

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