fix: use github script for a reminder and only do it for first time contributors

.github/workflows/changelog_reminder.yml

@@ -1,15 +1,38 @@
 on: pull_request_target
 name: Changelog Reminder
+
 jobs:
-  remind:
-    name: Changelog Reminder
+  welcome:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@master
-    - name: Changelog Reminder
-      uses: peterjgrainger/action-changelog-reminder@v1.2.0
-      with:
-        changelog_regex: 'CHANGELOG.md'
-        customPrMessage: 'You are welcome to add an entry to the CHANGELOG.md as well'
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            // Get a list of all issues created by the PR opener
+            // See: https://octokit.github.io/rest.js/#pagination
+            const creator = context.payload.sender.login
+            const opts = octokit.rest.issues.listForRepo.endpoint.merge({
+              ...context.issue,
+              creator,
+              state: 'all'
+            })
+            const issues = await octokit.paginate(opts)
+
+            for (const issue of issues) {
+              if (issue.number === context.issue.number) {
+                continue
+              }
+
+              if (issue.pull_request) {
+                return // Creator is already a contributor.
+              }
+            }
+
+            await octokit.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: `Reminder:
+
+              You are welcome to add an entry to the [CHANGELOG.md](CHANGELOG.md) as well`
+            })