chore: updated depdendabot configs (#766)

Author: dreamorosi

Diff for: .github/dependabot.yml

@@ -1,14 +1,32 @@
 version: 2
 updates:
 
+  # Maintain dependencies for Python
+  - package-ecosystem: "pip"
+    directory: "/docs"
+    schedule:
+      interval: "weekly"
+      day: "friday"
+      time: "05:00"
+      timezone: "Europe/Amsterdam"
+    open-pull-requests-limit: 20
+
   # Maintain dependencies for GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
+      day: "friday"
+      time: "05:00"
+      timezone: "Europe/Amsterdam"
+    open-pull-requests-limit: 20
 
   # Maintain dependencies for npm
   - package-ecosystem: "npm"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"
+      day: "friday"
+      time: "05:00"
+      timezone: "Europe/Amsterdam"
+    open-pull-requests-limit: 20