webstudio/.github/workflows/delete-github-deployments.yml

# https://github.com/orgs/community/discussions/36919
name: Delete github deployments

on:
  workflow_call:
    inputs:
      ref:
        type: string
        required: true

permissions:
  deployments: write

jobs:
  delete_github_deployments:
    runs-on: ubuntu-latest
    if: ${{ always() }}
    steps:
      - name: Delete Previous deployments
        uses: actions/github-script@v7
        env:
          REF: ${{ inputs.ref }}
        with:
          script: |
            const { REF } = process.env;

            console.log(REF);

            const deployments = await github.rest.repos.listDeployments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              ref: REF,
              per_page: 100
            });

            console.log(deployments);

            await Promise.allSettled(
              deployments.data.map(async (deployment) => {
                await github.rest.repos.createDeploymentStatus({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  deployment_id: deployment.id,
                  state: 'inactive'
                });
                return github.rest.repos.deleteDeployment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  deployment_id: deployment.id
                });
              })
            );