meta: bump shiki from 3.11.0 to 3.12.0 in the remark group (#431)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -72,7 +72,7 @@
     "remark-stringify": "^11.0.0",
     "rolldown": "^1.0.0-beta.34",
     "semver": "^7.7.2",
-    "shiki": "^3.11.0",
+    "shiki": "^3.12.0",
     "unified": "^11.0.5",
     "unist-builder": "^4.0.0",
     "unist-util-find-after": "^5.0.0",