@actions/artifact: convert to an ESM module (#2266)

* `@actions/artifact`: convert to an ESM module

* Update the package-lock.json

* Undo the GHES ignores

* Fix the reference to `@actions/http-client` in the lock file

* Bump `@actions/core` to `3.0.0`

* Remove `jest.config.cjs`

* Import `OctoKitOptions` from `@octokit/core/types`

* Pull the package version from `package.json`

* Workaround getting the package version for the user-agent

* Fix the `archiver` import

* Fix linting

packages/artifact/__tests__/config.test.ts

@@ -1,4 +1,4 @@
-import * as config from '../src/internal/shared/config'
+import * as config from '../src/internal/shared/config.js'
 import os from 'os'
 
 // Mock the `cpus()` function in the `os` module