IWYU: add a mapping for other `__decay_and_strip` instances

Source/cmArgumentParser.cxx

@@ -3,7 +3,6 @@
 #include "cmArgumentParser.h"
 
 #include <algorithm>
-#include <type_traits>
 
 namespace ArgumentParser {
 

Utilities/IWYU/mapping.imp

@@ -78,6 +78,7 @@
   # Use '-Xiwyu -v7' to see the fully qualified names that need this.
   # TODO: Can this be simplified with an @-expression?
   #{ symbol: [ "@std::__decay_and_strip<.*>::__type", private, "\"cmConfigure.h\"", public ] },
+  { symbol: [ "std::__decay_and_strip<bool>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__decay_and_strip<char const (&)[1]>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__decay_and_strip<cmCommand *&>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__decay_and_strip<cmGeneratorTarget *&>::__type", private, "\"cmConfigure.h\"", public ] },
@@ -89,6 +90,7 @@
   { symbol: [ "std::__decay_and_strip<cmFindPackageCommand::PathLabel &>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__decay_and_strip<cmGlobalNinjaGenerator::TargetAlias &>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__decay_and_strip<__gnu_cxx::__normal_iterator<const cmCTestTestHandler::cmCTestTestProperties *, std::vector<cmCTestTestHandler::cmCTestTestProperties, std::allocator<cmCTestTestHandler::cmCTestTestProperties> > > &>::__type", private, "\"cmConfigure.h\"", public ] },
+  { symbol: [ "std::__decay_and_strip<const __gnu_cxx::__normal_iterator<std::pair<cm::string_view, std::function<void (ArgumentParser::Instance &, void *)> > *, std::vector<std::pair<cm::string_view, std::function<void (ArgumentParser::Instance &, void *)> >, std::allocator<std::pair<cm::string_view, std::function<void (ArgumentParser::Instance &, void *)> > > > > &>::__type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__success_type<std::chrono::duration<double, std::ratio<1, 1> > >::type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::__success_type<std::chrono::duration<long, std::ratio<1, 1000000000> > >::type", private, "\"cmConfigure.h\"", public ] },
   { symbol: [ "std::enable_if<true, std::chrono::duration<long, std::ratio<1, 1> > >::type", private, "\"cmConfigure.h\"", public ] },