fix(deps): update dependency rxjs to v7.5.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rxjs (source)	7.5.3 -> 7.5.4

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Release Notes

reactivex/rxjs

v7.5.4

Compare Source

Performance Improvements

• removed code that would bind functions passed with observers to subscribe. (#​6815) (fb375a0), closes #​6783

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[codecov]

Codecov Report

Merging #1465 (6639ac5) into master (724560f) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1465   +/-   ##
=======================================
  Coverage   94.89%   94.89%           
=======================================
  Files         189      189           
  Lines        3784     3784           
  Branches      372      372           
=======================================
  Hits         3591     3591           
  Misses        182      182           
  Partials       11       11           

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