Updated codeowners

Author: Aravind-Kumar-cstk

.github/CODEOWNERS

@@ -1,5 +1,6 @@
 * @contentstack/tso-migration-pr-reviewers
 .github/workflows/sca-scan.yml @contentstack/security-admin
-.github/workflows/sast-scan.yml @contentstack/security-admin
-.github/workflows/jira.yml @contentstack/security-admin
-**/.snyk @contentstack/security-admin
+**/.snyk @contentstack/security-admin
+.github/workflows/policy-scan.yml @contentstack/security-admin
+
+.github/workflows/issues-jira.yml @contentstack/security-admin