test: github action on tag

.github/workflows/trigger-test-js-pr-on-build-me-label.yml

@@ -0,0 +1,20 @@
+# Because we don't run all tests on every PR, adding the label "build-me" to a PR will trigger all tests to run on CircleCI.
+name: Run all js tests on "build-me" label
+on:
+  pull_request:
+    types:
+      - labeled
+
+jobs:
+  trigger:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest
+    steps:
+      - name: Trigger all js tests
+        run: |
+          curl \
+            -X POST \
+            --header "Content-Type: application/json" \
+            -d "{\"branch\": \"$GITHUB_HEAD_REF\"}" \
+            https://circleci.com/api/v1.1/project/github/artsy/eigen/build?circle-token=${{ secrets.CircleToken }}