fix: content security policy issue in client log

[snitin315]

• This is a bugfix
• This is a feature
• This is a code refactor
• This is a test update
• This is a docs update
• This is a metadata update

For Bugs and Features; did you add new tests?

Manually tested against given reproduction https://github.com/bedrich-schindler/webpack-dev-server-reproducible-3040

Motivation / Use-Case

Fixes #3062
Fixes #3040

Breaking Changes

Additional Info

No

[codecov]

Codecov Report

Merging #3078 (b052a43) into master (09a31d0) will not change coverage.
The diff coverage is n/a.

❗ Current head b052a43 differs from pull request most recent head 68e3aad. Consider uploading reports for the commit 68e3aad to get more accurate results

@@           Coverage Diff           @@
##           master    #3078   +/-   ##
=======================================
  Coverage   92.30%   92.30%           
=======================================
  Files          37       37           
  Lines        1261     1261           
  Branches      328      328           
=======================================
  Hits         1164     1164           
  Misses         92       92           
  Partials        5        5           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 09a31d0...68e3aad. Read the comment docs.

[alexander-akait]

Looks good, but I need check the code and ensure we don't break something, I will do it in near future

[snitin315]

@alexander-akait anything else we need to fix before release?

[alexander-akait]

We should check IE 11 support