v0.0.3 (2023-02-23)

• Add memory_size function (@crackcomm, #1)
• Change memory_size return type to int (@crackcomm, #2)
• Fix build with dune 3.6 (@emillon, #3)
• Remove ctypes include path hack by using ctypes 0.3 / dune 3.7 (@TheLortex, #5)