Bump nuxt-og-image from 6.2.5 to 6.4.9

Bumps [nuxt-og-image](https://github.com/nuxt-modules/og-image) from 6.2.5 to 6.4.9.
- [Release notes](https://github.com/nuxt-modules/og-image/releases)
- [Changelog](https://github.com/nuxt-modules/og-image/blob/main/CHANGELOG.md)
- [Commits](nuxt-modules/og-image@v6.2.5...v6.4.9)

---
updated-dependencies:
- dependency-name: nuxt-og-image
  dependency-version: 6.4.9
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -28,7 +28,7 @@
     "jszip": "^3.10.1",
     "nuxt": "^4.2.2",
     "nuxt-llms": "0.1.3",
-    "nuxt-og-image": "^6.2.5",
+    "nuxt-og-image": "^6.4.9",
     "nuxt-umami": "3.2.1",
     "zod": "^4.1.13"
   },