chore : updated prefix of ticket-check action (#488)

Author: shaharyar123

Diff for: .github/workflows/ticket_reference_check.yml

@@ -13,4 +13,4 @@ jobs:
       - name: Check for Jira ticket reference
         uses: optimizely/github-action-ticket-reference-checker-public@master
         with:
-          bodyRegex: 'OASIS-(?<ticketNumber>\d+)' 
+          bodyRegex: 'FSSDK-(?<ticketNumber>\d+)'