Chore(deps): Bump actions/checkout from 5 to 6 in the actions group

Bumps the actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 5 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -41,56 +41,30 @@ updates:
       - "backend"
       - "dependencies"
     groups:
-      # Development & CI/CD Tooling
       development:
         patterns:
           - "*pytest*"
           - "ruff"
           - "mkdocs-material"
           - "pre-commit*"
-      # Django & DRF Ecosystem
+      django:
-      django-ecosystem:
         patterns:
           - "*django*"
           - "drf-*"
-          - "djangorestframework"
+      major-versions:
-          - "whitenoise"
-          - "bleach"
-          - "jinja2"
-      # Async, Task Queuing & Caching
-      async-tasks:
-        patterns:
-          - "celery*"
-          - "channels*"
-          - "flower"
-          - "redis"
-      # Document, PDF, and OCR Processing
-      document-processing:
-        patterns:
-          - "ocrmypdf"
-          - "pdf2image"
-          - "pyzbar"
-          - "zxing-cpp"
-          - "tika-client"
-          - "gotenberg-client"
-          - "python-magic"
-          - "python-gnupg"
-      # Data, NLP, and Search
-      data-nlp-search:
-        patterns:
-          - "nltk"
-          - "scikit-learn"
-          - "langdetect"
-          - "rapidfuzz"
-          - "whoosh-reloaded"
-      # Utilities (Patch Updates)
-      utilities-patch:
         update-types:
-          - "patch"
+          - "major"
-      # Utilities (Minor Updates)
+      small-changes:
-      utilities-minor:
         update-types:
           - "minor"
+          - "patch"
+        exclude-patterns:
+          - "*django*"
+          - "drf-*"
+      pre-built:
+        patterns:
+          - psycopg*
+          - zxing-cpp
   # Enable updates for GitHub Actions
   - package-ecosystem: "github-actions"
     target-branch: "dev"