chore(dependabot): add groups (#171)

Adds groups configuration to the Dependabot `npm` ecosystem block,
consolidating related packages into single PRs instead of one PR per
package

.github/dependabot.yml

@@ -14,6 +14,49 @@ updates:
     ignore:
       - dependency-name: "@types/node"
         update-types: ["version-update:semver-major"]
+    groups:
+      react:
+        patterns:
+          - "react"
+          - "react-dom"
+          - "react-*"
+          - "@types/react"
+          - "@types/react-dom"
+      redux:
+        patterns:
+          - "redux"
+          - "@reduxjs/*"
+          - "react-redux"
+      vite:
+        patterns:
+          - "vite"
+          - "@vitejs/*"
+      tailwind:
+        patterns:
+          - "tailwindcss"
+          - "@tailwindcss/*"
+          - "daisyui"
+      vitest:
+        patterns:
+          - "vitest"
+          - "@vitest/*"
+      eslint:
+        patterns:
+          - "eslint"
+          - "@eslint/*"
+          - "eslint-*"
+          - "typescript-eslint"
+      typescript:
+        patterns:
+          - "typescript"
+          - "@types/*"
+      playwright:
+        patterns:
+          - "@playwright/*"
+      axios:
+        patterns:
+          - "axios"
+          - "axios-*"
 
   # Maintain dependencies for GitHub Actions
   - package-ecosystem: github-actions