fix(deps): update rust crate fraction to 0.15.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
fraction (source)	dependencies	minor	0.13.1 -> 0.15.0

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Release Notes

dnsl48/fraction (fraction)

v0.15.3

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Changed

• num crate min required version is now 0.4.2

v0.15.2

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Added

• GenericFraction ConstOne and ConstZero trait implementations (special thanks to Raimundo Saona, aka @​saona-raimundo)

v0.15.1

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Added

• "with-unicode" feature implementation to format (and parse) floats with Unicode characters (special thanks to @​feefladder)

v0.15.0

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Added

• GenericFraction try_from/try_into implementations for primitive types (u8, i8, u16, i16, u32, i32, u64, i64, u128, i128, usize, isize, f32, f64)
• GenericFraction try_from/try_into implementations for BigInt/BigUint ("with-bigint" feature)
• GenericDecimal try_from/try_into implementations for primitive types (u8, i8, u16, i16, u32, i32, u64, i64, u128, i128, usize, isize, f32, f64)
• GenericDecimal try_from/try_into implementations for BigInt/BigUint ("with-bigint" feature)
• Tests for all GenericDecimal ops (overloadable operators - std::ops)

Changed

• GenericDecimal ops (overloadable operators) refactoring. Each operator is now implemented separately in its own module, allowing decoupled code with its own optimisations and tests.

Fixed

• PartialOrd will now reuse Ord implementation where possible (refactor to make clippy happier)
• Fixed logic in sub_assign and checked_sub that could sometimes produce incorrect results for a couple of edge cases with a negative zero (-0) as an operand.

v0.14.0

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Added

• approx module with "Approximate mathematical operations", fn sqrt (special thanks to @​squ1dd13 for the contribution!)
• with-approx feature, enabling the approx module

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.93%. Comparing base (7676848) to head (f94af54).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #137      +/-   ##
==========================================
- Coverage   85.95%   85.93%   -0.02%     
==========================================
  Files          11       11              
  Lines        4457     4458       +1     
==========================================
  Hits         3831     3831              
- Misses        626      627       +1     

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