Support IPC for Device Memory

[PokhodenkoSA]

Features:

• Create IPC handle for Device Memory
• Serialize IPC handle
• Open IPC handle - Get Device Memory from IPC handle
• Close IPC handle
• Context manager for open/close for IPC handle

[diptorupd]

Not related to dpctl. The issue was identified as a gap between numba.cuda functionality and numba-dpex. However, device memory IPC is not used at the level of numba-dpex and dpctl. Instead, such lower level functions are not exposed to users.