build(deps): bump @mdit/plugin-img-mark from 0.12.0 to 0.13.0

Bumps [@mdit/plugin-img-mark](https://github.com/mdit-plugins/mdit-plugins/tree/HEAD/packages/img-mark) from 0.12.0 to 0.13.0.
- [Release notes](https://github.com/mdit-plugins/mdit-plugins/releases)
- [Changelog](https://github.com/mdit-plugins/mdit-plugins/blob/main/packages/img-mark/CHANGELOG.md)
- [Commits](https://github.com/mdit-plugins/mdit-plugins/commits/v0.13.0/packages/img-mark)

---
updated-dependencies:
- dependency-name: "@mdit/plugin-img-mark"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "@mdit/plugin-footnote": "^0.12.0",
-    "@mdit/plugin-img-mark": "^0.12.0",
+    "@mdit/plugin-img-mark": "^0.13.0",
     "aplos": "2.5.0",
     "prettier": "^3.3.3"
   },