feat(deps): Update Major updates (major)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Age	Confidence
actions/checkout	action	major	v5 → v6
bignumber.js		major	9.3.1 → 11.1.1
option-t		major	55.1.0 → 56.1.2

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Release Notes

actions/checkout (actions/checkout)

v6.0.2

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• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in #​2356

v6.0.1

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v6.0.0

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v6

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v5.0.1

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What's Changed

• Port v6 cleanup to v5 by @​ericsciple in #​2301

Full Changelog: actions/checkout@v5...v5.0.1

MikeMcl/bignumber.js (bignumber.js)

v11.1.1

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• 02/05/26
• Docs: fix version number and decimalPlaces API description.

v11.1.0

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• 30/04/26
• #​401 BigNumber.sum: return zero if there are no arguments.
• #​352 Add toBigInt method.
• #​286 Add fromFormat method.
• #​262 decimalPlaces, toFixed and toFormat: support negative decimal places.
• #​260 toFormat: support minimum/maximum decimal places.
• toFormat: fallback to FORMAT for each property not in options.
• [BUGFIX] #​342 Large DECIMAL_PLACES causing slow hex integer base conversion.
• Typescript: add test_api.ts to improved typed API test coverage.

v11.0.0

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• 14/04/26
• Add STRICT configuration option:
  if true (default), throw an exception on invalid input.
  if false, return NaN on invalid input.
• toFraction: return [1, 0] for Infinity and [0, 0] for NaN.
• Support underscores as separators.
• If a base is supplied, reject non-finite values and base prefixes.

v10.0.2

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• 24/02/26
• Reinstate README.md links.

v10.0.1

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• 24/02/26
• Commit dist folder.

v10.0.0

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• 23/02/26
• Implement targeted builds for ES modules, CommonJS, and browser (global assignment).
• Add CI workflow.
• Add type declaration import tests.
• Remove BigNumber.DEBUG, so the behaviour is now always as if it was true:
  • throw on invalid input instead of returning NaN.
  • always validate the c, e, and s properties of objects passed to isBigNumber
• Don't call toString on any arbitrary object passed to the constructor.
• Require a BigNumber value to be a string if a base is also passed.
• Add toObject prototype method which returns a plain object with c, e, and s properties.
• Remove .npmignore, as files in package.json is used. Add .gitignore.
• Normalise line endings and add .gitattributes.
• Add typescript to devDependencies.

option-t/option-t (option-t)

v56.1.2

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Internals

• Update dependencies.

CI

• dependabot: Specify multiple directories in a single instruction. #​2733
• ci: Add Node.js v26 job for unittest. #​2744

v56.1.1

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Internals

• Use pnpm@​11.0.1. #​2727
• Invoke pnpm version directly. #​2728
• readme: Update "Contribution" section to guide pnpm-cli. #​2730

CI

• Harden corepack installation. #​2729
• Stop to install npm-cli for trusted publishing. #​2731

v56.1.0

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New Features

• plain_result: Support const type param annotation for value projection. #​2718
  • We believe that this would not a hard compile error. If you face some problems, please file a new issue. Then we rethink this impact.

Internals

• Update dependencies.
• Use pnpm 11. #​2725
• pnpm: Mitigate an attack vector for a typical supply chain attack. #​2713, #​2716

v56.0.0

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Breaking Changes

Update TypeScript to v6.0 (#​2709)

This just bump up our compiler baseline. This should not affect for users but uses a breaking change for safety.
If you does not face any typecheck errors, you can update safely.

Documentation

• doc: Drop the mention about --moduleResolution from README.md. #​2711

Internals

• Update dependencies.
• Regenrate tsconfig.base.json by tsc --init. #​2710
• Set tsc's --rootDir option explicitly. #​2705

v55.1.2

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Internals

• Update ESLint to v10. #​2693
  • This tweaked some code affected by ESLint no-useless-assignment. We think that is a performance neutral change. But if you face some performance issues, please file a new issue.
• Update other dependencies.
• docs: Move /CHANGELOG_OLD.md to docs/. #​2694
• Specify dependencies about npm:typescript explicitly. #​2695

v55.1.1

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Internals

• Update bunch of dependencies...
• Workaround ERR_INTERNAL_ASSERTION in tests that checks modules are same between import() and require(). #​2680
• ci: Annotate versions about actions/checkout. #​2649
• Remove @deprecated jsdoc tag from option-t/<type_name>/compat/v54. #​2650
• Add comments for implementer to tell why we should not expose CausalCarrierError. #​2651

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