[Snyk] Security upgrade pdfjs-dist from 3.11.174 to 4.2.67

[make-github-pseudonymous-again]

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 - package-lock.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **726/1000**
**Why?** Recently disclosed, Has a fix available, CVSS 8.8 | Arbitrary Code Injection
[SNYK-JS-PDFJSDIST-6810403](https://snyk.io/vuln/SNYK-JS-PDFJSDIST-6810403) | Yes | No Known Exploit (*) Note that the real score may have changed since the PR was raised. 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/patients/project/8ebeb9ff-c6a4-40bb-ac8e-4b78bb6084f7?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/patients/project/8ebeb9ff-c6a4-40bb-ac8e-4b78bb6084f7?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":"a25f8a16-1926-401c-8cda-b435663dcedd","prPublicId":"a25f8a16-1926-401c-8cda-b435663dcedd","dependencies":[{"name":"pdfjs-dist","from":"3.11.174","to":"4.2.67"}],"packageManager":"npm","projectPublicId":"8ebeb9ff-c6a4-40bb-ac8e-4b78bb6084f7","projectUrl":"https://app.snyk.io/org/patients/project/8ebeb9ff-c6a4-40bb-ac8e-4b78bb6084f7?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-PDFJSDIST-6810403"],"upgrade":["SNYK-JS-PDFJSDIST-6810403"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[726],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Arbitrary Code Injection](https://learn.snyk.io/lesson/malicious-code-injection/?loc=fix-pr)

[make-github-pseudonymous-again]

Fixed by #935.