Remove unnecessary line continuation escaping from workflows

[per1234]

It is often necessary to escape the newline for continuation when breaking shell commands into multiple lines for readability. However, if a line break occurs in a shell command in an unterminated command, the continuation is implicit.

The escaping in these shell commands was unnecessary and only made them a bit more cryptic, since the brackets already clearly indicate the structure

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.05%. Comparing base (860e1a5) to head (2a372c5).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #776   +/-   ##
=======================================
  Coverage   90.05%   90.05%           
=======================================
  Files          44       44           
  Lines        6800     6800           
=======================================
  Hits         6124     6124           
  Misses        553      553           
  Partials      123      123           

Flag	Coverage Δ
unit	90.05% <ø> (ø)

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