[confmap] Return error when decoding negative values into uints

[crobert-1]

Description: This adds a decode hook for unmarshalling negative integers into uint types. This will now return an error instead of converting negative values into large uint values.

Link to tracking Issue: <Issue number if applicable> Fixes #9060

Testing: Added unit tests for confmap functionality, functional tests in memory limiter processor (the original component this issue was filed against)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 91.77%. Comparing base (05ceb20) to head (54a3d4d). Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9169   +/-   ##
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  Coverage   91.77%   91.77%           
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  Files         359      359           
  Lines       16631    16637    +6     
=======================================
+ Hits        15263    15269    +6     
  Misses       1041     1041           
  Partials      327      327           

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[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[crobert-1]

I believe this is ready to be merged.

@bogdandrutu Do you have any concerns here?

[github-actions[bot]]

This PR was marked stale due to lack of activity. It will be closed in 14 days.

[crobert-1]

This comes from #9532. Can we add a note to remove the hook once we disable WeaklyTypedInput?

Done. I've added a TODO referencing the issue. 👍