build: Upgrade to GitHub-native Dependabot

Merge pull request #104 from d-Rickyy-b/dependabot/add-v2-config-file

Author: devcarron

.github/dependabot.yml

@@ -0,0 +1,14 @@
+version: 2
+updates:
+- package-ecosystem: pip
+  directory: "/"
+  schedule:
+    interval: daily
+    time: "04:00"
+  open-pull-requests-limit: 10
+  target-branch: dev
+  ignore:
+  - dependency-name: python-telegram-bot
+    versions:
+    - "13.2"
+    - "13.3"