fix some nits to be consistent across actions

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vitest.config.ts

@@ -1,19 +1,3 @@
-/**
- * Copyright 2026 actions-toolkit authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
 import {defineConfig} from 'vitest/config';
 
 export default defineConfig({
@@ -26,7 +10,7 @@ export default defineConfig({
       provider: 'v8',
       reporter: ['clover'],
       include: ['src/**/*.ts'],
-      exclude: ['src/**/main.ts', '__tests__/**', 'dist/**']
+      exclude: ['src/**/main.ts']
     }
   }
 });