fix ci

Author: toyobayashi

.github/workflows/main.yml

@@ -167,7 +167,7 @@ jobs:
         tar zxvf wasi-sdk-${WASI_VERSION_FULL}-x86_64-linux.tar.gz -C $WASI_SDK_PATH --strip 1
     - uses: actions/setup-node@v3
       with:
-        node-version: '20.9.0'
+        node-version: ${{ env.NODE_VERSION }}
         registry-url: 'https://registry.npmjs.org'
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
@@ -209,7 +209,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v3
       with:
-        node-version: '20.9.0'
+        node-version: ${{ env.NODE_VERSION }}
         registry-url: 'https://registry.npmjs.org'
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}