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>

.devcontainer/vscode/tasks.json

@@ -156,7 +156,7 @@
 			"label": "Maintenance: recreate .venv",
 			"description": "Recreate the python virtual environment and install python dependencies",
 			"type": "shell",
-			"command": "rm -R -v .venv/* || uv install --dev",
+			"command": "rm -rf .venv && uv venv && uv sync --dev",
 			"group": "none",
 			"presentation": {
 				"echo": true,