ci: add Enforce License Compliance workflow

Author: thomasrockhu-codecov

.fossa.yml

@@ -0,0 +1,11 @@
+version: 3
+
+# FOSSA CLI for getsentry/action-enforce-license-compliance.
+# https://github.com/fossas/fossa-cli/blob/master/docs/references/files/fossa-yml.md
+
+project:
+  id: github.com/codecov/python-testing
+  url: https://github.com/codecov/python-testing
+
+telemetry:
+  scope: "off"

.github/workflows/enforce-license-compliance.yml

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+name: Enforce License Compliance
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+  workflow_dispatch:
+
+jobs:
+  enforce-license-compliance:
+    runs-on: ubuntu-latest
+    steps:
+      - name: 'Enforce License Compliance'
+        uses: getsentry/action-enforce-license-compliance@57ba820387a1a9315a46115ee276b2968da51f3d # main
+        with:
+          fossa_api_key: ${{ secrets.FOSSA_API_KEY }}

requirements.txt

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+# FOSSA: setuptools discovery target at repo root (add real deps here if applicable).