fix: CODEOWNERS

Author: Rushikesh-Argade-Stack

.github/CODEOWNERS

@@ -1,9 +1,8 @@
-* @contentstack/ghost-pr-reviewers
-
+* @contentstack/marketplace-pr-reviewers
 .github/workflows/sca-scan.yml @contentstack/security-admin
 
 **/.snyk @contentstack/security-admin
 
 .github/workflows/policy-scan.yml @contentstack/security-admin
 
-.github/workflows/issues-jira.yml @contentstack/security-admin
+.github/workflows/issues-jira.yml @contentstack/security-admin