[MNT] Add dependabot.yml (#94)

* Create dependabot.yml

* Fixed style

* update dependabot

---------

Co-authored-by: Arman Jahanpour <[email protected]>

.github/dependabot.yml

@@ -0,0 +1,29 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+    labels:
+      - '_bot'
+      - 'maint:dependency'
+      - 'type:maintenance'
+
+  - package-ecosystem: 'gitsubmodule'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'weekly'
+    labels:
+      - '_bot'
+      - 'maint:dependency'
+      - 'type:maintenance'