fix: formatted code as per eslint standards

Author: Swarga-codes

src/index.js

@@ -238,7 +238,7 @@ const validator = {
   isLicensePlate,
   isVAT,
   ibanLocales,
-  isUPIId
+  isUPIId,
 };
 
 export default validator;

src/lib/isUpiId.js

@@ -1,7 +1,7 @@
 function isUPIId(upiId) {
-    // Regular expression pattern for UPI ID validation
-    const upiPattern = /^[a-zA-Z0-9]+@[a-zA-Z0-9-]+$/;
-  
-    return upiPattern.test(upiId);
-  }
-export default isUPIId;
+  // Regular expression pattern for UPI ID validation
+  const upiPattern = /^[a-zA-Z0-9]+@[a-zA-Z0-9-]+$/;
+
+  return upiPattern.test(upiId);
+}
+export default isUPIId;