docs: [ShoppingMerchantAccounts] Format comments in ListUsersRequest #12296

Job	Run time
Dev Commands Unit Tests	36s
PHP 8.0 Unit Test (ubuntu-latest)	5m 40s
PHP 8.1 Unit Test (ubuntu-latest)	6m 38s
Package Tests	13m 53s
Package Tests (Lowest Dependencies)	10m 28s
PHP 8.2 Unit Test (ubuntu-latest)	5m 58s
PHP 8.3 Unit Test (ubuntu-latest)	6m 6s
PHP 8.0 Unit Test (windows-latest)	9m 16s
PHP 8.1 Unit Test (windows-latest)	11m 59s
PHP 8.2 Unit Test (windows-latest)	11m 50s
PHP 8.3 Unit Test (windows-latest)	11m 42s
PHP 8.0 Unit Test + protobuf extension (ubuntu-latest)	4m 45s
	1h 38m 51s

Provide feedback