ci fix syntax error (#46)

Author: kou

.github/workflows/test.yml

@@ -1,10 +1,10 @@
 name: Test
 on:
-  - push
+  push:
     branches:
       - '**'
       - '!dependabot/**'
-  - pull_request
+  pull_request:
 jobs:
   unit:
     name: "Unit: ${{ matrix.name }}"