devel/cpputest: Update to 4.0

From ChangeLog: https://github.com/cpputest/cpputest/releases/tag/v4.0

New functionality:

• Added MemoryAccountant
• Added SimpleStringCache that also removed the memory leak caused by longjmp in C
• Thread-safe memory leak detector overloads
• New command-line options:
• -h help option
• -s shuffle (random) option
• -t run a specific test option
• -vv extra verbose option
• -k add a package name to junit output
• Added new asserts: CHECK_COMPARE, and improved C macros
• Support for newer compilers and address sanitizer

Small improvements:

• Fixed problems with gdb
• More 16-bit support
• Added Makefile for making the examples with an installed CppUTest
• Small mock improvements
• Removed more compiler warnings
• Support for C++14, C++17, and C++2x (added to automated build)

Improved maintainability:

• Docker builds
• Vastly improved the automated build with more platforms and variants
• Continuously releasing the passing build
• MS-DOS support (added to automated build)

PR: 246907
Submitted by: akos.somfai@gmail.com (maintainer)