chore: add branding property (#7)

pranc1ngpegasus · web-flow · commit 5e81f3ed625c · 2023-05-15T21:57:19.000+09:00
diff --git a/action.yml b/action.yml
@@ -1,5 +1,8 @@
 name: "Delete GitHub Actions cache"
 description: "Delete GitHub Actions cache"
+branding:
+  logo: "delete"
+  color: "gray-dark"
 runs:
   using: "composite"
   steps:
