refactor: use latest terminology

[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?

No

Motivation / Use-Case

contentBase -> static.

Breaking Changes

No

Additional Info

No

[alexander-akait]

Good catch

[codecov]

Codecov Report

Merging #3775 (6466378) into master (9093237) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3775   +/-   ##
=======================================
  Coverage   92.88%   92.88%           
=======================================
  Files          14       14           
  Lines        1321     1321           
  Branches      463      463           
=======================================
  Hits         1227     1227           
  Misses         87       87           
  Partials        7        7           

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[alexander-akait]

Feel free to merge when CI will be green