feat: Add support for percent-encoding in password and it's corresponding test

Add support of percent-encoded characters when passing the username and password in URI

Closes https://github.com/espressif/esp-mqtt/issues/294

cmake/RapidCheck.cmake

@@ -0,0 +1,19 @@
+CPMAddPackage(
+    NAME RapidCheck
+    GITHUB_REPOSITORY emil-e/rapidcheck
+    GIT_TAG ff6af6fc683159deb51c543b065eba14dfcf329b
+)
+
+add_subdirectory(${RapidCheck_SOURCE_DIR}/extras/catch ${CMAKE_BINARY_DIR}/rapidcheck_catch)
+
+# Treat rapidcheck headers as SYSTEM so their internal uses of deprecated APIs
+# (e.g. std::aligned_storage in C++23) do not surface as warnings in our build.
+foreach(_rc_target rapidcheck rapidcheck_catch)
+    if(TARGET ${_rc_target})
+        get_target_property(_rc_includes ${_rc_target} INTERFACE_INCLUDE_DIRECTORIES)
+        if(_rc_includes)
+            set_target_properties(${_rc_target} PROPERTIES
+                INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${_rc_includes}")
+        endif()
+    endif()
+endforeach()