pnpm: bump @umbrelladocs/linkspector from 0.3.12 to 0.3.13

Bumps [@umbrelladocs/linkspector](https://github.com/UmbrellaDocs/linkspector) from 0.3.12 to 0.3.13.
- [Release notes](https://github.com/UmbrellaDocs/linkspector/releases)
- [Commits](UmbrellaDocs/linkspector@v0.3.12...v0.3.13)

---
updated-dependencies:
- dependency-name: "@umbrelladocs/linkspector"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -52,7 +52,7 @@
   "devDependencies": {
     "@astrojs/check": "^0.9.3",
     "@biomejs/biome": "^1.8.3",
-    "@umbrelladocs/linkspector": "^0.3.12",
+    "@umbrelladocs/linkspector": "^0.3.13",
     "to-vfile": "^8.0.0",
     "typescript": "^5.5.4",
     "vfile-matter": "^5.0.0"