[Snyk] Security upgrade webpack from 4.12.0 to 4.26.0

[wyvern8]

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 :-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------  | **698/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 6.1 | Cross-site Scripting (XSS)
[SNYK-JS-SERIALIZEJAVASCRIPT-6147607](https://snyk.io/vuln/SNYK-JS-SERIALIZEJAVASCRIPT-6147607) | No | Proof of Concept (*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: webpack

The new version differs by 250 commits.

• 04f90c5 4.26.0
• e1df721 Merge pull request #8392 from vkrol/cherry-pick-terser-to-webpack-4
• a818def fix for changed API in terser plugin warningsFilter
• b39abf4 Rename test directories too
• 311a728 Switch from uglifyjs-webpack-plugin to terser-webpack-plugin
• a230148 Merge pull request #8351 from DeTeam/chunk-jsdoc-typo
• 7a0af76 Fix a typo in Chunk#split jsdoc comment
• 2361995 4.25.1
• e2a2016 Merge pull request #8338 from webpack/bugfix/issue-8293
• babe736 replace prefix/postfix even when equal for wrapped context
• dcd0d59 test for #8293
• af123a8 Merge pull request #8334 from webpack/bugfix/lint
• 36eb0bb move azure specific commands to azure-pipelines.yml
• 290094e 4.25.0
• 355590e Merge pull request #8250 from Aladdin-ADD/patch-3
• 0293c3a Merge pull request #8279 from smelukov/support-entry-progress
• 1ea411b Merge pull request #8139 from NaviMarella/FormatManifest
• 4b72635 exclude watch test cases
• e35d084 increase test timeout
• 6be1411 move schema into definitions
• 3d74504 add missing hooks to progress
• 56d8a8f prevent writing the same message multiple times to stderr
• 64e3826 use flags to show different parts of the progress message
• 8c5e74f Merge branch 'master' into support-entry-progress

See the full diff

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/wyvern8/project/c0c5cd8c-3706-4555-8f49-1701f3abcb6f?utm_source=github&utm_medium=referral&page=fix-pr) 🛠 [Adjust project settings](https://app.snyk.io/org/wyvern8/project/c0c5cd8c-3706-4555-8f49-1701f3abcb6f?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":"7371a84a-eff0-4619-aa48-2ab584033cb5","prPublicId":"7371a84a-eff0-4619-aa48-2ab584033cb5","dependencies":[{"name":"webpack","from":"4.12.0","to":"4.26.0"}],"packageManager":"npm","projectPublicId":"c0c5cd8c-3706-4555-8f49-1701f3abcb6f","projectUrl":"https://app.snyk.io/org/wyvern8/project/c0c5cd8c-3706-4555-8f49-1701f3abcb6f?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-SERIALIZEJAVASCRIPT-6147607"],"upgrade":["SNYK-JS-SERIALIZEJAVASCRIPT-6147607"],"isBreakingChange":false,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[698],"remediationStrategy":"vuln"}) --- **Learn how to fix vulnerabilities with free interactive lessons:** 🦉 [Cross-site Scripting (XSS)](https://learn.snyk.io/lesson/dom-based-xss/?loc=fix-pr)