ci: add dependabot alters

Fixes #130

Author: gnikit

.github/dependabot.yml

@@ -0,0 +1,21 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      gh-actions:
+        patterns:
+          - "*"
+
+
+  # Check for updates Python updates via pip in case we pin a dependency
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    groups:
+      dev-dependencies:
+        patterns:
+          - "*"