Fix workflow and format fails (#2565)

Author: aweell

.github/workflows/tokens-lint.yml

@@ -2,11 +2,11 @@ name: Token Format Validation
 
 on:
   workflow_dispatch:
-  push:
-    branches:
-      - production
+  pull_request:
     paths:
       - "tokens/*.json"
+    branches:
+      - production
 
 jobs:
   lint-tokens:

tokens/vivo.json

@@ -143,7 +143,7 @@
     "backgroundDropZoneBrandDragover": {
       "value": "rgba({palette.vivoPurpleDark}, 0.4)",
       "type": "color",
-      "description": "darkModeBlack"
+      "description": "vivoPurpleDark"
     },
     "skeletonWave": {
       "value": "{palette.grey2}",