Create dependabot.yml

Author: insolor

.github/dependabot.yml

@@ -0,0 +1,23 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      dev-dependencies:
+        patterns:
+          - "pytest*"
+          - "flake8*"
+          - "black"
+          - "isort"
+          - "ruff"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      all:
+        patterns:
+          - "*"