add mend workflow for agent v2

Signed-off-by: Jakub Jarosz <j.jarosz@f5.com>

Author: jjngx

.github/workflows/mend.yml

@@ -32,4 +32,4 @@ jobs:
     secrets: inherit
     with:
       product_name: nginx-agent_${{ github.ref_name }}
-      project_name: nginx-agent
+      project_name: nginx-agent