Add stale automation for issues and PRs #5788

Job	Run time
Waiting for build / Waiting For Build	7m 49s
OCSP with self certificate verification test	8m 20s
Basic OCSP / Test	5m 20s
OCSP with external certs / Test	4m 50s
OCSP clone / Test	9m 18s
OCSP with CMC / Test	4m 47s
OCSP on separate instance / Test	4m 39s
OCSP with existing config / Test	5m 10s
OCSP with direct CRL publishing / Test	6m 19s
OCSP container / Test	6m 8s
OCSP with LDAP-based CRL publishing / Test	6m 41s
OCSP with HSM / Test	4m 46s
Standalone OCSP / Test	4m 52s
	1h 18m 59s

Provide feedback