fix(deps): update dependency bignumber.js to v9.1.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
bignumber.js	9.0.0 -> 9.1.2

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[!WARNING] Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

MikeMcl/bignumber.js (bignumber.js)

### [`v9.1.2`](https://redirect.github.com/MikeMcl/bignumber.js/blob/HEAD/CHANGELOG.md#912) [Compare Source](https://redirect.github.com/MikeMcl/bignumber.js/compare/v9.1.1...v9.1.2) - 28/08/23 - [#​354](https://redirect.github.com/MikeMcl/bignumber.js/issues/354) Amend `round` to avoid bug in v8 Maglev compiler. - \[BUGFIX] [#​344](https://redirect.github.com/MikeMcl/bignumber.js/issues/344) `minimum(0, -0)` should be `-0`. ### [`v9.1.1`](https://redirect.github.com/MikeMcl/bignumber.js/blob/HEAD/CHANGELOG.md#911) [Compare Source](https://redirect.github.com/MikeMcl/bignumber.js/compare/v9.1.0...v9.1.1) - 04/12/22 - [#​338](https://redirect.github.com/MikeMcl/bignumber.js/issues/338) \[BUGFIX] `exponentiatedBy`: ensure `0**-n === Infinity` for very large `n`. ### [`v9.1.0`](https://redirect.github.com/MikeMcl/bignumber.js/blob/HEAD/CHANGELOG.md#910) [Compare Source](https://redirect.github.com/MikeMcl/bignumber.js/compare/v9.0.2...v9.1.0) - 08/08/22 - [#​329](https://redirect.github.com/MikeMcl/bignumber.js/issues/329) Remove `import` example. - [#​277](https://redirect.github.com/MikeMcl/bignumber.js/issues/277) Resolve lint warnings and add number `toString` note. - Correct `decimalPlaces()` return type in *bignumber.d.ts*. - Add ES module global `crypto` example. - [#​322](https://redirect.github.com/MikeMcl/bignumber.js/issues/322) Add `exports` field to *package.json*. - [#​251](https://redirect.github.com/MikeMcl/bignumber.js/issues/251) ([#​308](https://redirect.github.com/MikeMcl/bignumber.js/issues/308)) Amend *bignumber.d.ts* to allow instantiating a BigNumber without `new`. ### [`v9.0.2`](https://redirect.github.com/MikeMcl/bignumber.js/blob/HEAD/CHANGELOG.md#902) [Compare Source](https://redirect.github.com/MikeMcl/bignumber.js/compare/v9.0.1...v9.0.2) - 12/12/21 - [#​250](https://redirect.github.com/MikeMcl/bignumber.js/issues/250) \[BUGFIX] Allow use of user-defined alphabet for base 10. - [#​295](https://redirect.github.com/MikeMcl/bignumber.js/issues/295) Remove *bignumber.min.js* and amend *README.md*. - Update *.travis.yml* and *LICENCE.md*. ### [`v9.0.1`](https://redirect.github.com/MikeMcl/bignumber.js/blob/HEAD/CHANGELOG.md#901) [Compare Source](https://redirect.github.com/MikeMcl/bignumber.js/compare/v9.0.0...v9.0.1) - 28/09/20 - \[BUGFIX] [#​276](https://redirect.github.com/MikeMcl/bignumber.js/issues/276) Correct `sqrt` initial estimate. - Update *.travis.yml*, *LICENCE.md* and *README.md*.

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