Fix dependencies. Add prepack script #2

	name: "Lint and typecheck"
	on: [push]

	jobs:
	lint-and-checktype:
	runs-on: ubuntu-latest

	env:
	NPM_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

	steps:
	- uses: actions/checkout@v1
	- uses: actions/setup-node@v3
	- name: find yarn
	run: which yarn

	- name: Set yarn version to version 3.x
	run: yarn set version 3.3.1

	- name: Set authentication token
	run: 'yarn config set npmScopes.pendle.npmAuthToken "${NPM_AUTH_TOKEN}"'

	- name: Run install
	run: yarn install --immutable

	- name: Lint
	run: yarn lint:nofix

	- name: Type check
	run: yarn typecheck

Provide feedback