feat(toolkit-lib): default to using a non interactive IoHost

[mrgrain]

Replaces the current default IoHost which is the same as the one used by the CLI with a strictly non-interactive version. This is more in accordance with the goals of a library providing actions.

Fixes #157
Closes #289

BREAKING CHANGE: This change updates the default IoHost implementation used by Toolkit to a version that is strictly non-interactive, i.e. there is no expectation anymore that users will respond to command-line prompts. To restore previous behavior, you will can provide a custom IoHost implementation to your Toolkit instance. You may consider extending the new NonInteractiveIoHost class with desired interactive prompts.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.49%. Comparing base (3e8359c) to head (62c3dd3).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #306      +/-   ##
==========================================
- Coverage   85.58%   85.49%   -0.09%     
==========================================
  Files         223      223              
  Lines       37002    37002              
  Branches     4493     4500       +7     
==========================================
- Hits        31668    31636      -32     
- Misses       5233     5269      +36     
+ Partials      101       97       -4     

Flag	Coverage Δ
suite.unit	85.49% <100.00%> (-0.09%)	⬇️

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[mrgrain]

exempted integ test because a previous run passed and the latest change just fixed a comment