feat: add support for copilot branches

Author: callms

lib/branch.js

@@ -6,7 +6,8 @@ function isBranchNameValid(branchName) {
     !!branchName.match(/^revert-([0-9]+)-([a-z0-9_\-@./_-]*)$/) ||
     !!branchName.match(/^(mobsuccessbot)\/([a-z0-9_\-@./_-]*)$/) ||
     !!branchName.match(/^(dependabot)\/([a-z][a-zA-Z0-9./_-]*)$/) ||
-    !!branchName.match(/^(renovate)\/([a-z0-9_\-@./_-]*)$/)
+    !!branchName.match(/^(renovate)\/([a-z0-9_\-@./_-]*)$/) ||
+    !!branchName.match(/^(copilot)\/([a-z0-9_\-@./_-]*)$/)
   );
 }