ci: add workflow that removes needs review on review

Author: serhalp

.github/workflows/remove-needs-review-on-review.yml

@@ -0,0 +1,35 @@
+name: remove-needs-review-on-review
+
+on:
+  pull_request_review:
+    types:
+      - submitted
+
+jobs:
+  remove-needs-review:
+    name: 🏷️ Remove needs review label
+    if: github.repository == 'npmx-dev/npmx.dev'
+    runs-on: ubuntu-slim
+    permissions:
+      issues: write
+    steps:
+      - name: 🏷️ Remove needs review label
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
+        with:
+          script: |
+            const pr = context.payload.pull_request;
+            const label = 'needs review';
+
+            if (!pr.labels.some(({ name }) => name === label)) {
+              console.log(`PR #${pr.number} does not have the "${label}" label.`);
+              return;
+            }
+
+            await github.rest.issues.removeLabel({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: pr.number,
+              name: label,
+            });
+
+            console.log(`Removed "${label}" from PR #${pr.number}.`);