ghactions: add sync action for upstream v3.0

to capture updates to that branch in upstream prrte repo

Signed-off-by: Howard Pritchard <[email protected]>

Author: hppritcha

.github/workflows/fork_sync_v3.0.yaml

@@ -0,0 +1,24 @@
+name: Sync Fork
+
+on:
+  schedule:
+    - cron: '* 23 * * *' # every day at 23 hours
+  workflow_dispatch: # on button click
+
+jobs:
+  sync:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: tgymnich/[email protected]
+        with:
+          owner: openpmix
+          token: ${{ secrets.GITHUB_TOKEN }}
+          base: v3.0
+          head: v3.0
+          auto_merge: false
+          auto_approve: false
+          ignore_fail: true
+
+