add --repeat to the cli help

Author: nikophil

src/TextUI/Help.php

@@ -276,6 +276,7 @@ private function elements(): array
                 ['spacer' => ''],
 
                 ['arg' => '--debug', 'desc' => 'Replace default progress and result output with debugging information'],
+                ['arg' => '--repeat <times>', 'desc' => 'Runs the test(s) repeatedly'],
                 ['arg' => '--with-telemetry', 'desc' => 'Include telemetry information in debugging information output'],
             ],
 

tests/end-to-end/_files/output-cli-help-color.txt

@@ -176,6 +176,7 @@
 
   --debug                              Replace default progress and result
                                        output with debugging information
+  --repeat <times>                     Runs the test(s) repeatedly
   --with-telemetry                     Include telemetry information in
                                        debugging information output
 

tests/end-to-end/_files/output-cli-usage.txt

@@ -117,6 +117,7 @@ Reporting:
   --testdox-summary                    Repeat TestDox output for tests with errors, failures, or issues
 
   --debug                              Replace default progress and result output with debugging information
+  --repeat <times>                     Runs the test(s) repeatedly
   --with-telemetry                     Include telemetry information in debugging information output
 
 Logging: