Bump esbuild from 0.20.2 to 0.21.1

Bumps [esbuild](https://github.com/evanw/esbuild) from 0.20.2 to 0.21.1.
- [Release notes](https://github.com/evanw/esbuild/releases)
- [Changelog](https://github.com/evanw/esbuild/blob/main/CHANGELOG.md)
- [Commits](evanw/esbuild@v0.20.2...v0.21.1)

---
updated-dependencies:
- dependency-name: esbuild
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

lib/build-pages/page-builders/md/get-md.js

@@ -35,15 +35,13 @@ export function getMd () {
   const md = markdownIt(mdOpts)
     .use(markdownItSub)
     .use(markdownItSup)
-    // @ts-expect-error Who knows who caress
     .use(markdownItFootnote)
     .use(markdownItDeflist)
     .use(markdownItEmoji)
     .use(markdownItIns)
     .use(markdownItMark)
     .use(markdownItAbbr)
     .use(markdownItTaskList)
-    // @ts-expect-error Who knows who caress
     .use(markdownItAnchor)
     .use(markdownItAttrs)
     .use(markdownItTOC, {

package.json

@@ -26,7 +26,7 @@
     "clean-deep": "^3.4.0",
     "cpx2": "^7.0.0",
     "desm": "^1.1.0",
-    "esbuild": "^0.20.0",
+    "esbuild": "^0.21.1",
     "handlebars": "^4.7.8",
     "highlight.js": "^11.9.0",
     "ignore": "^5.1.8",