Update Rust crate bigdecimal to v0.4.6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
bigdecimal	dependencies	patch	=0.4.5 -> =0.4.6

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Release Notes

akubera/bigdecimal-rs (bigdecimal)

v0.4.6

Compare Source

Changes

• Fix error in formatting code that would skip "carrying the one" when rounding up series of nines, overflowing

• Improved implementation of sqrt and cbrt

• Uses consistent rounding implementations in formatting and arithmetic operations

• Add new constructor methods BigDecimal::from_bigint & BigDecimal::from_biguint

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Configuration

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.80%. Comparing base (e4285a2) to head (56b3ac8).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9773      +/-   ##
==========================================
- Coverage   88.80%   88.80%   -0.01%     
==========================================
  Files         289      289              
  Lines       29809    29809              
==========================================
- Hits        26472    26471       -1     
- Misses       3337     3338       +1     

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