Update cargo-audit.yml

Author: jhg

.github/workflows/cargo-audit.yml

@@ -9,7 +9,7 @@ on:
     - '**/Cargo.toml'
     - '**/Cargo.lock'
   pull_request:
-    branches: [ main, master, dev, develop ]
+    branches: '*'
     paths:
     - '**/Cargo.toml'
     - '**/Cargo.lock'