Add concurrency control to update workflow

.github/workflows/update.yml

@@ -14,6 +14,10 @@ on:
 permissions:
   contents: write
 
+concurrency:
+  group: fx-radar-data-main
+  cancel-in-progress: true
+
 jobs:
   generate:
     runs-on: ubuntu-latest
@@ -21,6 +25,8 @@ jobs:
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Set up Python
         uses: actions/setup-python@v5