Remove package-lock from example

Author: hanazuki

.github/workflows/test.yml

@@ -41,7 +41,6 @@ jobs:
         cache: npm
         cache-dependency-path: |
           package-lock.json
-          example/package-lock.json
     - name: Setup corepack
       run: |
         type corepack || npm install -g corepack
@@ -50,7 +49,7 @@ jobs:
       run: |
         npm ci
         cd example
-        npm ci
+        npm install
     - name: Run
       run: |
         cd example