update-metadata-reminder.yml

name: Reminder to update demo metadata
on:
  pull_request:
    types: [opened, reopened]
    paths:
      - demonstrations/**

jobs:
  reminder:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/github-script@v7
      with:
        script: |
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: `👋 Hey, looks like you've updated some demos!

            🐘 Don't forget to update the \`dateOfLastModification\` in the associated metadata files so your changes show up on [pennylane.ai](https://pennylane.ai).

            Please hide this comment once the field(s) are updated. Thanks!`
          })