added another GH action to handle forked repos

Author: Shariq Torres

.github/workflows/forked_repos.yaml

@@ -0,0 +1,25 @@
+name: Run tests from Forked Repo
+
+on: 
+  pull_request_target:
+    types: [labeled]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: contains(github.event.pull_request.labels.*.name, 'Approved')
+    strategy:
+      matrix:
+        python-version: [ '3.10', '3.9', '3.8', '3.7', '3.6' ]
+    name: Python ${{ matrix.python-version }} sample
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pipenv'
+      - run: pip install pipenv
+      - run: pipenv sync --dev
+      - run: pipenv run tests
+        env:
+          LOB_API_KEY: ${{ secrets.LOB_API_KEY }}