ci: Add Dependabot configuration for automated dependency updates

Monitors:
- npm packages (Node.js)
- pip packages (Python)
- GitHub Actions

Creates automatic PRs for:
- Security vulnerabilities
- Outdated dependencies

Runs weekly on Mondays at 9 AM Riyadh time.

Author: firascoding

.github/dependabot.yml

@@ -0,0 +1,47 @@
+version: 2
+updates:
+  # Node.js dependencies (if you use npm/yarn)
+  - package-ecosystem: "npm"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+      timezone: "Asia/Riyadh"
+    open-pull-requests-limit: 10
+    reviewers:
+      - "firascoding"
+    labels:
+      - "dependencies"
+      - "security"
+    commit-message:
+      prefix: "deps"
+      prefix-development: "deps-dev"
+
+  # Python dependencies (if you use pip)
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+      timezone: "Asia/Riyadh"
+    open-pull-requests-limit: 10
+    reviewers:
+      - "firascoding"
+    labels:
+      - "dependencies"
+      - "security"
+    commit-message:
+      prefix: "deps"
+
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    labels:
+      - "dependencies"
+      - "github-actions"
+    commit-message:
+      prefix: "ci"