Partial model support generic

[Goodjooy]

PR Info

Add generic support for derive macro DerivePartialModel. Make it can use with FromQueryResult with generic argument.

New Features

• [x] generic support for DerivePartialModel
  • [x] implement
  • [x] doc
  • [x] test cases

[tyt2y3]

The implementation looks good. At least this approach will be backwards compatible.

[Goodjooy]

It seems the tool chain nightly-x86_64-unknown-linux-gnu can not install in github action?

[tyt2y3]

https://github.com/SeaQL/sea-orm/actions/runs/5333518372/jobs/9685418789?pr=1630

info: syncing channel updates for 'nightly-x86_64-unknown-linux-gnu'
info: update not yet available, sorry! try again later
error: toolchain 'nightly-x86_64-unknown-linux-gnu' is not installable

strange... it seems to happen randomly