Update TOC.yml

Author: GennadNY

articles/postgresql/TOC.yml

@@ -486,7 +486,7 @@
       href: flexible-server/concepts-security.md
     - name: Azure AD Authentication
       href: flexible-server/concepts-azure-ad-authentication.md
-    - name: compliance
+    - name: Compliance
       href: flexible-server/concepts-compliance.md
     - name: Limits
       href: flexible-server/concepts-limits.md