CI is failing - Githubissues

I'm actually experiencing errors on a fresh clone:
~/Desktop 🦍
$ git clone https://github.com/remark-embedder/core.git
Cloning into 'core'...
remote: Enumerating objects: 186, done.
remote: Counting objects: 100% (63/63), done.
remote: Compressing objects: 100% (48/48), done.
remote: Total 186 (delta 30), reused 26 (delta 10), pack-reused 123
Receiving objects: 100% (186/186), 65.03 KiB | 924.00 KiB/s, done.
Resolving deltas: 100% (92/92), done.
~/Desktop 🦍
$ cd core 
~/Desktop/core (main) 🦍
$ npm run setup
running command with prefix "setup"

> @remark-embedder/core@0.0.0-semantically-released setup
> npm install && npm run validate -s

npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated object-keys@0.2.0: Please update to the latest object-keys
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated

added 1189 packages, and audited 1190 packages in 20s

165 packages are looking for funding
  run `npm fund` for details

12 vulnerabilities (6 moderate, 6 high)

To address issues that do not require attention, run:
  npm audit fix

To address all issues (including breaking changes), run:
  npm audit fix --force

Run `npm audit` for details.
[build] Successfully compiled 1 file with Babel (645ms).
[build] Generating TypeScript definitions
[typecheck] src/index.ts(92,26): error TS2339: Property 'value' does not exist on type 'StaticPhrasingContent'.
[typecheck]   Property 'value' does not exist on type 'Emphasis'.
[typecheck] src/index.ts(97,19): error TS2339: Property 'value' does not exist on type 'Link'.
[typecheck] src/index.ts(163,32): error TS2339: Property 'tagName' does not exist on type 'Parent'.
[typecheck] src/index.ts(164,38): error TS2339: Property 'properties' does not exist on type 'Parent'.
[typecheck] npm run typecheck --silent exited with code 1
--> Sending SIGTERM to other processes..
[test] npm run test --silent -- --coverage exited with code SIGTERM
--> Sending SIGTERM to other processes..
[build] npm run build --silent exited with code SIGTERM
--> Sending SIGTERM to other processes..
[lint] npm run lint --silent exited with code SIGTERM
NPM command npm run setup -- failed with code 1
Originally posted by @kentcdodds in https://github.com/remark-embedder/core/pull/30#issuecomment-881757529
remark-embedder / core

CI is failing #32
