Use node 20 for vue-cli test (#1169)

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### Changes

It seems there's an issue with 18.18 that is causing the build to hang,
moving to 20 fixes this, check the various test performed in the
[actions tab](https://github.com/auth0/auth0-spa-js/actions)

### References

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### Testing

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- [ ] This change adds integration test coverage
- [ ] This change has been tested on the latest version of the
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### Checklist

- [x] I have read the [Auth0 general contribution
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.github/workflows/test.yml

@@ -137,10 +137,10 @@ jobs:
       - name: Run framework tests
         uses: ./.github/actions/framework
         with:
-          node: ${{ env.NODE_VERSION }}
+          node: 20
           cache: ${{ env.CACHE_KEY }}
           install: |
-            npx -p @vue/cli vue create my-app -d < /dev/null
+            npx -p @vue/cli vue create my-app -d --packageManager npm  < /dev/null
           content: |
             echo -e "${{ env.AUTH0_CONTENT }}" > src/auth0.js;
           import: |