Add MustCollect consumer

[BooleanCat]

Please provide a brief description of the change.

Add MustCollect consumer that behaves like TryCollect except that it panics when an error is encountered.

Which issue does this change relate to?

None.

Contribution checklist.

• I have read and understood the CONTRIBUTING guidelines
• All commits in my PR conform to the commit hygiene section
• I have added relevant tests
• I have not added any dependencies

Additional context

None.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (0563dae) to head (f72754d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #144   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           32        32           
  Lines          492       499    +7     
=========================================
+ Hits           492       499    +7     

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