updated the title of openapi specs (#6759)

Author: pawan-59

specs/swagger/openapi.yaml

@@ -1,7 +1,7 @@
 openapi: 3.0.0
 info:
   version: 1.0.0
-  title: Common Devtron automation APIs
+  title: Devtron APIs Specs
   license:
     name: Apache 2.0
     url: https://www.apache.org/licenses/LICENSE-2.0.html