Backport #9511 to lts-4-12: Add @ember/string v4 to peerDependencies

[SergeAstapov]

Description

@ember/string v4 was recently published https://github.com/emberjs/ember-string/releases/tag/v4.0.0-%40ember%2Fstring

it's not possible to upgrade as @ember-data/store still requires v3.

Notes for the release

[PavinStrickland]

The error message indicates that the self-installer failed with code 1, which could be the cause of the setup job failure. To resolve this, you may need to investigate the pnpm/action-setup step and check for any issues or misconfigurations in the self-installer script.

[PavinStrickland]

Also, the checks for lint, special-build-tests, and Test Chrome have failed shortly after beginning, which might suggest a common issue affecting them. Given these checks failed quickly, it might be due to misconfiguration, missing dependencies, or other immediate errors in the setup. Investigating the details of these failed checks could offer insights into the cause of the failures and guide necessary fixes. The 'lts' and 'releases' checks being skipped should be reviewed to understand why they were not executed. The fact that there are no conflicts with the base branch means that once the issues causing the failures are resolved, the pull request should be mergeable.

[PavinStrickland]

jobs:
lint:
runs-on: ubuntu-latest

     steps:
       - name: Check out repository
         uses: actions/checkout@v3

       - name: Set up Node.js
         uses: actions/setup-node@v2
         with:
           node-version: '16.x'
     
       - name: Run custom setup
         run: ./.github/actions/setup
         continue-on-error: false # ensure the job stops if this step fails

       - name: Lint JavaScript
         if: success()
         run: npm run lint:js