chore(deps): update dependency @scure/base to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@scure/base (source)	^1.1.0 → ^2.0.0

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Release Notes

paulmillr/scure-base (@​scure/base)

v2.2.0

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• April 2026 self-audit (all files): no major issues found
  • Audited for spec compliance and security
• Fix all Byte Array types, to ensure proper work in both TypeScript 5.6 & TypeScript 5.9+
  • TS 5.6 has Uint8Array, while TS 5.9+ made it generic Uint8Array<ArrayBuffer>
  • This creates incompatibility of code between versions
  • Previously, it was hard to use and constantly emitted errors similar to TS2345
  • See typescript#62240 for more context
• Fix compilation issues on TypeScript v6
• Improve tree-shaking, reduce bundle sizes
• utf8: make decoder strict, use isWellFormed (polyfilled in some envs)
• Add strict ascii decoder (char range 0..127)
• Bech32 examples in the docs by @​davay42 in #​44
• Add overload to Bech32.decode to handle arbitrary string input by @​webmaster128 in #​45
• perf: trust Uint8Array.fromBase64 to check non-whitespace chars by @​ChALkeR in #​47

New Contributors

• @​davay42 made their first contribution in #​44
• @​webmaster128 made their first contribution in #​45
• @​ChALkeR made their first contribution in #​47

(We're skipping v2.1, to align with other noble / scure packages)

Full Changelog: paulmillr/scure-base@2.0.0...2.2.0

v2.0.0

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• The package is now ESM-only. ESM can finally be loaded from common.js on node v20.19+
  • Node v20.19 is now the minimum required version
  • Package imports now work correctly in bundler-less environments, such as browsers
  • Reduces npm package size (traffic consumed): 26.1KB => 24.5KB
  • Reduces unpacked npm size (on-disk space): 165KB => 102KB
• Make bundle sizes smaller, compared to v1.x
• Upgrade typescript compilation env to ts5.9 and es2022

Full Changelog: paulmillr/scure-base@1.2.6...2.0.0

v1.2.6

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• base64: prohibit spaces when native mode is selected.

Full Changelog: paulmillr/scure-base@1.2.5...1.2.6

v1.2.5

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• base64: use native coding when available. 167x faster encoding on 1KB inputs
• hex: use native coding when available. 216x faster encoding on 1KB inputs.
• Standalone build files are now attested and can be verified, check out README

Full Changelog: paulmillr/scure-base@1.2.4...1.2.5

v1.2.4

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Fix broken common.js version

Full Changelog: paulmillr/scure-base@1.2.3...1.2.4

v1.2.3

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• Fix unpublished common.js version

Full Changelog: paulmillr/scure-base@1.2.2...1.2.3

v1.2.2

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• Publish to JSR.io
• Use typescript isolatedDeclarations and "safe types" for automatically generated documentation
• Use typescript verbatimModuleSyntax to support native type stripping

Full Changelog: paulmillr/scure-base@1.2.1...1.2.2

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