Don't prefix trx report options unnecessarily

Since the user may not even be aware that there's a standalone tool called trx that does the same test reporting.

src/dotnet-retest/RetestCommand.cs

@@ -216,31 +216,31 @@ public class RetestSettings : CommandSettings
         #region trx
 
         [Description("Include test output in report")]
-        [CommandOption("--trx-output")]
+        [CommandOption("--output")]
         [DefaultValue(false)]
         public bool Output { get; init; }
 
         /// <summary>
         /// Whether to include skipped tests in the output.
         /// </summary>
         [Description("Include skipped tests in report")]
-        [CommandOption("--trx-skipped")]
+        [CommandOption("--skipped")]
         [DefaultValue(true)]
         public bool Skipped { get; init; } = true;
 
         /// <summary>
         /// Report as GitHub PR comment.
         /// </summary>
         [Description("Report as GitHub PR comment")]
-        [CommandOption("--trx-gh-comment")]
+        [CommandOption("--gh-comment")]
         [DefaultValue(true)]
         public bool GitHubComment { get; init; } = true;
 
         /// <summary>
         /// Report as GitHub PR comment.
         /// </summary>
         [Description("Report as GitHub step summary")]
-        [CommandOption("--trx-gh-summary")]
+        [CommandOption("--gh-summary")]
         [DefaultValue(true)]
         public bool GitHubSummary { get; init; } = true;