MinGW-w64: Fix windeployqt errors

--debug and --release flags are unnecessary and trigger errors.

--pdb not supported and triggers a warning.

CMakeLists.txt

@@ -2524,11 +2524,9 @@ if(BUILD_wireshark AND QT_FOUND)
 			POST_BUILD
 			COMMAND set "PATH=${QT_BIN_PATH};%PATH%"
 			COMMAND "${QT_WINDEPLOYQT_EXECUTABLE}"
-				$<$<CONFIG:Debug>:--debug>
-				$<$<NOT:$<CONFIG:Debug>>:--release>
 				--no-compiler-runtime
 				--verbose 10
-				--pdb
+				$<$<BOOL:${MSVC}>:--pdb>
 				"$<TARGET_FILE:wireshark>"
 		)
 		add_dependencies(copy_qt_dlls wireshark)