chore(deps): roll back dependency ts-loader to ^5.4.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
ts-loader	dependencies	rollback	^5.4.6 -> ^5.4.5	source
ts-loader	devDependencies	rollback	^5.4.6 -> ^5.4.5	source

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[codecov-io]

Codecov Report

Merging #5660 into dev will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev    #5660   +/-   ##
=======================================
  Coverage   95.67%   95.67%           
=======================================
  Files          81       81           
  Lines        2635     2635           
  Branches      671      671           
=======================================
  Hits         2521     2521           
  Misses         96       96           
  Partials       18       18

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[clarkdo]

@pi0 I'll merge this now since it breaks other pr installation