Schedule tag sync every day (#4666)

Author: sigurdm

.github/workflows/tag_from_sdk.yml

@@ -0,0 +1,20 @@
+name: Sync version tags from SDK
+on:
+  schedule:
+    # Run every day at 00:00
+    - cron: "0 0 * * *"
+
+jobs:
+  tag_from_sdk:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+    - uses: dart-lang/setup-dart@e51d8e571e22473a2ddebf0ef8a2123f0ab2c02c
+      with:
+        sdk: stable
+    - id: install
+      name: Install dependencies
+      run: dart pub get
+    - id: tags
+      name: push_missing_tags_to_origin
+      run: dart tool/create_version_tags_from_sdk.dart --create --push