update changelog.md

Signed-off-by: Himani1519 <[email protected]>

CHANGELOG.md

@@ -3,10 +3,10 @@
 All notable changes to the Zlux App Server package will be documented in this file.
 
 ## v2.12.0
+
 - enhancement: new versions of components can change the location of their plugins, as the app-server will now re-inspect the plugin locations on each startup. (#280)
 - bugfix: Removed error message "components/app-server/bin/configure.sh 26: .: FSUM6807 expression syntax error" seen in startup of Zowe in v2.11.0, caused by incorrect shell syntax. (#283)
 
-
 ## v2.11.0
 
 - Bugfix: The server couldn't load more than one certificate authority specified within the zowe.certificate.pem.certificateAuthorities section under any condition. Now, it is supported regardless of if the section is an array or a comma-separated string. (#266)