chore: configure Renovate (#9)

* Add renovate.json

* chore: Add comprehensive Renovate configuration

* feat: add pep621 manager for Python dependency updates

* Add npmrc field to `renovate.json`

We need to tell Renovate where to look for `@deepnote` scoped packages like `@deepnote/blocks`.

Signed-off-by: Andy Jakubowski <hello@andyjakubowski.com>

---------

Signed-off-by: Andy Jakubowski <hello@andyjakubowski.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Andy Jakubowski <hello@andyjakubowski.com>

Author: 3 people

renovate.json

@@ -0,0 +1,66 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "configMigration": true,
+  "enabledManagers": ["npm", "nvm", "github-actions", "pep621"],
+  "github-actions": {
+    "enabled": true,
+    "pinDigests": true
+  },
+  "extends": ["config:recommended"],
+  "ignorePaths": [
+    "**/dist/**",
+    "**/node_modules/**",
+    "**/tmp/**",
+    "lib/**",
+    "jupyterlab_deepnote/labextension/**"
+  ],
+  "docker-compose": {
+    "enabled": false
+  },
+  "dockerfile": {
+    "enabled": false
+  },
+  "meteor": {
+    "enabled": false
+  },
+  "npm": {
+    "minimumReleaseAge": "3 days",
+    "enabled": true
+  },
+  "npmrc": "@deepnote:registry=https://npm.pkg.github.com\nalways-auth=true\n",
+  "ignoreDeps": [
+    "@apollo/client",
+    "@chakra-ui/react",
+    "@jupyterlab/coreutils",
+    "@jupyterlab/nbformat",
+    "@jupyterlab/services",
+    "@jupyterlab/toc",
+    "@kubernetes/client-node",
+    "@types/react",
+    "monaco-editor",
+    "node-fetch",
+    "wait-on",
+    "@testing-library/user-event",
+    "react-wrap-balancer"
+  ],
+  "labels": ["renovate"],
+  "packageRules": [
+    {
+      "description": "Group GitHub Actions",
+      "groupName": "GitHub Actions",
+      "groupSlug": "github-actions",
+      "matchManagers": ["github-actions"]
+    },
+    {
+      "matchDepTypes": ["devDependencies"],
+      "groupName": "devDependencies",
+      "groupSlug": "dev-dependencies",
+      "enabled": true,
+      "schedule": ["every weekend"]
+    },
+    {
+      "groupName": "definitelyTyped",
+      "matchPackageNames": ["@types/{/,}**"]
+    }
+  ]
+}