Development: devcontainer setup, docs and enable dependabot (#10081)

* fix: container setup and task description

* feat: enable dependabot for devcontainer

* fix: dont install latest uv and dont install uvx

* Cleanup decontainer readme

* Fix the reset venv command

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

.github/dependabot.yml

@@ -84,7 +84,9 @@ updates:
           - "patch"
   # Update Dockerfile in root directory
   - package-ecosystem: "docker"
-    directory: "/"
+    directories:
+      - "/"
+      - "/.devcontainer/"
     schedule:
       interval: "weekly"
     open-pull-requests-limit: 5