[Snyk] Fix for 1 vulnerabilities

[shenxianpeng]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

#### Changes included in this PR - Changes to the following files to upgrade the vulnerable dependencies to a fixed version: - package.json - Adding or updating a Snyk policy (.snyk) file; this file is required in order to apply Snyk vulnerability patches. [Find out more](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities). #### Vulnerabilities that will be fixed ##### With a [Snyk patch](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities#patches): Severity | Issue | Exploit Maturity :-------------------------:|:-------------------------|:-------------------------  | Prototype Pollution
[npm:lodash:20180130](https://snyk.io/vuln/npm:lodash:20180130) | Proof of Concept Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: 🧐 [View latest project report](https://app.snyk.io/org/shenxianpeng/project/b4df9b05-9450-4dba-a9f6-da78c0ab3fad?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/shenxianpeng/project/b4df9b05-9450-4dba-a9f6-da78c0ab3fad?utm_source=github&utm_medium=referral&page=fix-pr/settings) 📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities) [//]: # (snyk:metadata:{"prId":"bdb7048b-6f3b-4a45-b4c9-5ce84604ef5b","prPublicId":"bdb7048b-6f3b-4a45-b4c9-5ce84604ef5b","dependencies":[],"packageManager":"npm","projectPublicId":"b4df9b05-9450-4dba-a9f6-da78c0ab3fad","projectUrl":"https://app.snyk.io/org/shenxianpeng/project/b4df9b05-9450-4dba-a9f6-da78c0ab3fad?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":["npm:lodash:20180130"],"vulns":["npm:lodash:20180130"],"upgrade":[],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":[],"priorityScoreList":[null],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Prototype Pollution](https://learn.snyk.io/lesson/prototype-pollution/?loc=fix-pr)

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