chore(ci): matched name change master to main

Author: dream-dasher

.github/workflows/rust.yml

@@ -2,9 +2,9 @@ name: Rust
 
 on:
   push:
-    branches: ["master"]
+    branches: ["main"]
   pull_request:
-    branches: ["master"]
+    branches: ["main"]
 
 env:
   CARGO_TERM_COLOR: always