Enhancement : Merge both greet-on-first-pr and merge in pull-request-target-yml

.github/workflows/pull-request-target.yml

@@ -0,0 +1,49 @@
+name: Pull Request Target Workflow
+
+on:
+  pull_request_target:
+    types: [opened, closed] 
+
+
+jobs:
+  greet-on-first-pr:
+    runs-on: ubuntu-latest
+    if: github.event.action == 'opened'
+    steps:
+    - uses: actions/first-interaction@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        pr-message: > 
+            Welcome to the [JSON Schema](https://json-schema.org/) Community. Thanks a lot for creating your first pull request!! 🎉🎉  We are so excited you are here! We hope this is only the first of many!
+            For more details check out [README.md](https://github.com/json-schema-org/website?tab=readme-ov-file#-welcome-to-the-json-schema-website) file.
+
+  greet-on-first-merge:
+    runs-on: ubuntu-latest
+    if: github.event.action == 'closed'
+    steps:
+    - uses: actions/github-script@v7
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+            const prNumber = context.payload.pull_request.number;
+            const authorLogin = context.payload.pull_request.user.login;
+
+            const firstPR = await github.issues.listForRepo({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            pull_requests: {
+                state: 'closed',
+                author: authorLogin,
+            },
+            });
+
+            if (firstPR.data.length === 1) {
+            const greetingMessage = ` Congratulations, @${authorLogin} for your first pull request merge in this repository! 🎉🎉. Thanks for your contribution to JSON Schema! `;
+
+            await github.issues.createComment({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: prNumber,
+                body: greetingMessage
+            });
+            }