Sync fork gha

.github/workflows/forksync.yaml

@@ -0,0 +1,20 @@
+name: Sync Fork
+on:
+  schedule:
+    - cron: "0 */6 * * *" # Runs every 6 hours
+  workflow_dispatch: # Allows manual trigger
+
+jobs:
+  sync:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Sync Fork
+        run: |
+          git remote add upstream https://github.com/locustio/locust.git
+          git fetch upstream
+          git checkout master
+          git merge upstream/master
+          git push origin master