Bump bignumber.js from 8.0.2 to 9.0.1

[dependabot[bot]]

Bumps bignumber.js from 8.0.2 to 9.0.1.

Release notes

Sourced from bignumber.js's releases.

v9.0.0

I received reports by email that the use of Symbol was breaking the library in IE8, so it has been removed. (The Symbol code was used to make the Node.js REPL default to displaying the string value of a BigNumber.)

This is a minor amendment that did not require any changes to the existing documentation, but strictly-speaking it is a breaking change so annoyingly I have had to increment the major version number.

Changelog

Sourced from bignumber.js's changelog.

9.0.1

• 28/09/20
• [BUGFIX] #276 Correct sqrt initial estimate.
• Update .travis.yml, LICENCE.md and README.md.

9.0.0

• 27/05/2019
• For compatibility with legacy browsers, remove Symbol references.

8.1.1

• 24/02/2019
• [BUGFIX] #222 Restore missing var to export BigNumber.
• Allow any key in BigNumber.Instance in bignumber.d.ts.

8.1.0

• 23/02/2019
• [NEW FEATURE] #220 Create a BigNumber using {s, e, c}.
• [NEW FEATURE] isBigNumber: if BigNumber.DEBUG is true, also check that the BigNumber instance is well-formed.
• Remove instanceof checks; just use _isBigNumber to identify a BigNumber instance.
• Add _isBigNumber to prototype in bignumber.mjs.
• Add tests for BigNumber creation from object.
• Update API.html.

Commits

• 02a0604 v9.0.1
• aebd836 Update .tavis.yml
• 9139ef1 #276 Correct sqrt initial estimate
• 535f19b Add note on REPL
• 90e0b45 Clarify import.
• 73b336f fix typo in comment for plus procedure (#267)
• 071ab98 Fix typos in formatting section (#255)
• 10b053e fixed typo (#253)
• affd6b0 Fix ALPHABET regex to allow comma and reject empty string (#249)
• 6d2427a #248 Bump version number
• Additional commits viewable in compare view

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