chore(deps): update dependency markdown-it-abbr to v2

This MR contains the following updates:

Package	Type	Update	Change
markdown-it-abbr	devDependencies	major	^1.0.4 -> ^2.0.0

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Release Notes

markdown-it/markdown-it-abbr (markdown-it-abbr)

v2.0.0

Compare Source

• Rewrite to ESM.
• Remove dist/ from repo (build on package publish).

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