Bump num-bigint from 0.4.5 to 0.4.6

[dependabot[bot]]

Bumps num-bigint from 0.4.5 to 0.4.6.

Changelog

Sourced from num-bigint's changelog.

Release 0.4.6 (2024-06-27)

• Fixed compilation on x86_64-unknown-linux-gnux32.

Contributors: @​cuviper, @​ralphtandetzky, @​yhx-12243

Commits

• a25836e Merge pull request #313 from cuviper/release-0.4.6
• 2b33deb Release 0.4.6
• 98efc2b Merge pull request #312 from cuviper/x32
• 5d530aa Fixes for target x32
• 124eac8 Merge pull request #309 from yhx-12243/strip-prefix
• 635c687 style: use strip_prefix instead of manual starts_with/slice
• 71b78bc Merge pull request #308 from cuviper/less-wide
• 98bea13 Remove the last use of SignedDoubleBigDigit
• d9fb6e6 Mimic the standard library for adc and sbb fallbacks
• f511841 Merge pull request #306 from cuviper/docsrs
• Additional commits viewable in compare view

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