OADP-4882: Update OADP version to 1.4.2

Author: apurvabhide17

_attributes/common-attributes.adoc

@@ -40,7 +40,7 @@ endif::[]
 :oadp-first: OpenShift API for Data Protection (OADP)
 :oadp-full: OpenShift API for Data Protection
 :oadp-short: OADP
-:oadp-version: 1.4.1
+:oadp-version: 1.4.2
 :oadp-version-1-3: 1.3.3
 :oadp-version-1-4: 1.4.2
 :oadp-bsl-api: backupstoragelocations.velero.io