Disable redundant workflows (#38)

Author: orionmiz

.github/workflows/cargo.yml

@@ -2,6 +2,7 @@ name: Cargo
 
 on:
   push:
+    branches: [canary]
     paths:
       - 'src/**'
       - 'tests/**'
@@ -67,4 +68,4 @@ jobs:
             cargo-dev-${{ runner.os }}
       - name: Run cargo test
         run: |
-          cargo test --all --color always
+          cargo test --all --color always