enable dependabot

Author: braingram

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions (main)
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "main"
+    schedule:
+      interval: "weekly"
+
+  # Maintain dependencies for pip (main)
+  - package-ecosystem: "pip"
+    directory: "/"
+    target-branch: "main"
+    schedule:
+      interval: "weekly"