fix: regression in formatted callout titles

Jacky Zhao

2024-01-31 bfd877133b406eda3a46c2e5ac682262cca3e2c2

 quartz/plugins/transformers/index.ts

@@ -8,3 +8,4 @@
export { OxHugoFlavouredMarkdown } from "./oxhugofm"
export { SyntaxHighlighting } from "./syntax"
export { TableOfContents } from "./toc"
export { HardLineBreaks } from "./linebreaks"