* devDeps: add depcheck, lint:dependencies packages script

* devDeps: remove unused fast-deep-equal

* deps: @metamask/utils@^8.0.0->^8.1.0

* deps: @ethereumjs/tx@4.1.2->4.2.0

* devDeps: @lavamoat/allow-scripts@2.0.3->2.3.1

* add lavamoat allow-scripts configuration

* ci: Node.js v20 instead of v19

* ci: add compatibility test

* ci(create-release-pr): MetaMask/action-create-release-pr@v1->v2

* ci(publish-release): update actions to latest

- add `SLACK_WEBHOOK_URL` secret to `MetaMask/action-npm-publish@v4`
- add `subteam` var to `MetaMask/action-npm-publish@v4`

* ci: update yaml comment

* add .github/pull_request_template.md

* Update .github/pull_request_template.md

Co-authored-by: Elliot Winkler <elliot.winkler@gmail.com>

---------

Co-authored-by: Elliot Winkler <elliot.winkler@gmail.com>

…pt (#111)

* devDeps: @metamask/auto-changelog@^2.3.0->^3.2.0

* add lint:changelog package script

* yarn dedupe

---------

Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: legobeat <109787230+legobeat@users.noreply.github.com>
Co-authored-by: legobt <6wbvkn0j@anonaddy.me>