ci: add github actions and dependabot

.github/dependabot.yml

@@ -0,0 +1,13 @@
+# For more information see: https://docs.github.com/en/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: 'github-actions'
+    directory: '/'
+    schedule:
+      interval: 'daily'
+
+  - package-ecosystem: 'npm'
+    directory: '/'
+    schedule:
+      interval: 'daily'