Merge pull request #165 from realpython/dependabot/add-v2-config-file

Update Dependabot config file

.dependabot/config.yml

-version: 1
-update_configs:
-  - package_manager: "python"
-    directory: "/"
-    update_schedule: "monthly"
-    allowed_updates:
-      # Top-level requirements.txt / linters only
-      - match:
-          dependency_name: "flake8"
-      - match:
-          dependency_name: "black"

.github/dependabot.yml

+version: 2
+updates:
+- package-ecosystem: pip
+  directory: "/"
+  schedule:
+    interval: monthly
+  open-pull-requests-limit: 10
+  allow:
+  - dependency-name: flake8
+  - dependency-name: black