CPack: Require no argument for --trace and --trace-expand

This was accidentally broken by commit 87c762d435 (CPack: Use
cmCommandLineArgument instead of cmsys::CommandLineArguments,
2022-04-18, v3.24.0-rc1~258^2).

Fixes: #24085

Source/CPack/cpack.cxx

@@ -165,8 +165,8 @@ int main(int argc, char const* const* argv)
     CommandArgument{ "--debug", CommandArgument::Values::Zero, debugLambda },
     CommandArgument{ "--config", CommandArgument::Values::One,
                      CommandArgument::setToValue(cpackConfigFile) },
-    CommandArgument{ "--trace", CommandArgument::Values::One, traceLambda },
-    CommandArgument{ "--trace-expand", CommandArgument::Values::One,
+    CommandArgument{ "--trace", CommandArgument::Values::Zero, traceLambda },
+    CommandArgument{ "--trace-expand", CommandArgument::Values::Zero,
                      traceExpandLambda },
     CommandArgument{ "-C", CommandArgument::Values::One,
                      CommandArgument::setToValue(cpackBuildConfig) },