chore: branch policy update (#2255)

editing require status check to use full name of node 16.x build

Author: gavinbarron

.github/policies/branch-protection.yml

@@ -25,7 +25,7 @@ configuration:
     requiredStatusChecks:
     - GitOps/AdvancedSecurity
     - license/cla
-    - Build pr
+    - 'Build pr / build (16.x)'
 
     # TODO: all commits should be signed. We need to get everyone signing their commits.
-    requiresCommitSignatures: false
+    requiresCommitSignatures: false