fix: set isEmailAllowed regex to case insensitive

Author: jescalada

src/proxy/processors/push-action/checkAuthorEmails.ts

@@ -14,14 +14,14 @@ const isEmailAllowed = (email: string): boolean => {
 
   if (
     commitConfig?.author?.email?.domain?.allow &&
-    !new RegExp(commitConfig.author.email.domain.allow, 'g').test(emailDomain)
+    !new RegExp(commitConfig.author.email.domain.allow, 'gi').test(emailDomain)
   ) {
     return false;
   }
 
   if (
     commitConfig?.author?.email?.local?.block &&
-    new RegExp(commitConfig.author.email.local.block, 'g').test(emailLocal)
+    new RegExp(commitConfig.author.email.local.block, 'gi').test(emailLocal)
   ) {
     return false;
   }

test/processors/checkAuthorEmails.test.ts

@@ -534,8 +534,7 @@ describe('checkAuthorEmails', () => {
       const result = await exec(mockReq, mockAction);
 
       const step = vi.mocked(result.addStep).mock.calls[0][0];
-      // fails because regex is case-sensitive
-      expect(step.error).toBe(true);
+      expect(step.error).toBe(false);
     });
   });
 });