Switch from serverless packaging plugin to new CLI packager

[noxasaxon]

Drastically improve deployment times for local machines & CICD boxes. New packager also supports Lambda Layers

Metrics

local dev times with m1 max 64gb

Repo	Packager	Time	🐳	# of Functions
SOCless-core	CLI, no cache	34s		14
SOCless-core	CLI, no cache	4m51s	🐳	14
SOCless-core	CLI, static-cache (first run)	49s	🐳	14
SOCless-core	CLI, static-cache (redeploy)	3s	🐳	14
SOCless-core	CLI, static-cache (first run on linux)	9s		14
SOCless-core	Socless SLS Plugin	4m55s	🐳	14

• 6x faster for local dev first run
• 98x faster for local redeploys
• 40x (or more) faster in CICD (linux boxes)

Contributing to Twilio

All third-party contributors acknowledge that any contributions they provide will be made under the same open-source license that the open-source project is provided under.

• I acknowledge that all my contributions will be made under the project's license.