Add dependabot.yml to track dependency updates

Author: jiridanek

.github/dependabot.yml

@@ -0,0 +1,8 @@
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "pip" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"