Update dependency chess.js to v0.13.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
chess.js	0.12.0 → 0.13.4

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Release Notes

jhlywa/chess.js (chess.js)

v0.13.4

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Bug Fixes

• [PGN] Fix bug that omitted comments preceding the initial move of a setup position when black is the first to move.

v0.13.3

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Bug Fixes

• [FEN] Fix validate_fen when whitespace is found in place of move number (@​eleurent - b51b44e)

Changes

• [npm] Add author field to package.json. (@​digitalbath - https://redirect.github.com/jhlywa/chess.js/pull/329/commits/97df3de4a36adb0cde2eaa1a2cbf6e40a26f3098)

v0.13.2

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Bug Fixes

• [PGN] Ignore extraneous whitespace in PGN header (@​jhlywa - 24d1c86)
• [PGN] Allow FEN header without a SetUp header in sloppy PGN parser (@​jhlywa - 35e3fbf)

v0.13.1

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Bug Fixes

• [PGN] Ensure the strict parser always runs before sloppy parser (@​jhlywa - 62914d6)
• [API] Fix .ascii() function (@​jhlywa - 450c7f1)

v0.13.0

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Enhancements

• convert package to standard JS module (@​justinfagnani - #​318)
• include the square in the output of .board() (@​fitztrev - #​312)

v0.12.1

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Bug Fixes

• [PGN] Fix duplication of last move when loading PGN containing trailing comments without a game termination marker (@​jhlywa - 321a25e)
• [PGN] Fix PGN export that included unnecessary move disambiguators (@​SyntaxBlitz - 1814427)

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