chore(deps): Update locking and enable auto-updating

Updated the lockfile once manually with uv lock --upgrade.
Also added a dependabot configuration that should performe these updates in the future.

See https://docs.astral.sh/uv/guides/integration/dependabot/

Author: CarliJoy

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "uv"
+    directory: "/"
+    schedule:
+      interval: "weekly"