Update dependabot to use uv settings

Author: d33bs

.github/dependabot.yml

@@ -20,7 +20,7 @@ updates:
   # https://github.com/dependabot/dependabot-core/pull/10040
   # See here for more information:
   # https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#pip-and-pip-compile
-  - package-ecosystem: "pip"
+  - package-ecosystem: "uv"
     directory: "/"
     schedule:
       # Check for updates to uv environment files every week