chore(deps-dev): bump @rspress/plugin-shiki from 1.26.2 to 1.26.3

Bumps [@rspress/plugin-shiki](https://github.com/web-infra-dev/rspress/tree/HEAD/packages/plugin-last-updated) from 1.26.2 to 1.26.3.
- [Release notes](https://github.com/web-infra-dev/rspress/releases)
- [Commits](https://github.com/web-infra-dev/rspress/commits/v1.26.3/packages/plugin-last-updated)

---
updated-dependencies:
- dependency-name: "@rspress/plugin-shiki"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@modern-js/tsconfig": "2.56.2",
-    "@rspress/plugin-shiki": "^1.26.1",
+    "@rspress/plugin-shiki": "^1.26.3",
     "@types/jest": "^29.5.12",
     "@types/node": "^22.0.0",
     "@typescript-eslint/eslint-plugin": "^7.16.1",