release: 1.2.19 [skip ci]

## [1.2.19](v1.2.18...v1.2.19) (2021-02-22)

### Bug Fixes

* **.changelogrc.js:** fix dark magic ([b4157eb](b4157eb))
* **is-next-compat.ts:** never use console.log ([81533c8](81533c8))
* **is-next-compat.ts:** use template string instead of literal ([3a4f0f1](3a4f0f1))
* **unit-index.test.ts:** 100% test coverage ([72189e8](72189e8))

### Build System

* **.eslintrc.js:** account for node 12 ([cad0fb2](cad0fb2))
* **.github:** update workflows and templates ([54e51eb](54e51eb))
* **integration-external.test.ts:** ensure proper cwd is used for executing externals ([31c1d5b](31c1d5b))
* **is-next-compat.ts:** use execa instead of shelljs under the hood ([9d12004](9d12004))
* **package.json:** remove shelljs, update other deps ([11e192a](11e192a))
* **package.json:** update dependencies ([9e1705b](9e1705b))
* **test:** update with new lib-pkg tools ([004a657](004a657))
* Spellcheck-commit and .changelogrc no longer use shelljs ([dd72fd1](dd72fd1))
* **setup.ts:** fix several lib-pkg tools ([44d1967](44d1967))
* **unit-external.test.ts:** update with new lib-pkg tools ([6df7e73](6df7e73))
* Backport new webpack config ([b268534](b268534))
* Rename env-expect to expect-env ([035e98b](035e98b))