meta: bump shiki from 3.19.0 to 3.20.0 in the remark group

Bumps the remark group with 1 update: [shiki](https://github.com/shikijs/shiki/tree/HEAD/packages/shiki).


Updates `shiki` from 3.19.0 to 3.20.0
- [Release notes](https://github.com/shikijs/shiki/releases)
- [Commits](https://github.com/shikijs/shiki/commits/v3.20.0/packages/shiki)

---
updated-dependencies:
- dependency-name: shiki
  dependency-version: 3.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: remark
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

npm-shrinkwrap.json

@@ -73,7 +73,7 @@
     "remark-stringify": "^11.0.0",
     "rolldown": "^1.0.0-beta.53",
     "semver": "^7.7.3",
-    "shiki": "^3.19.0",
+    "shiki": "^3.20.0",
     "tinyglobby": "^0.2.15",
     "unified": "^11.0.5",
     "unist-builder": "^4.0.0",