chore: add dependabot config (#146)

Author: matifali

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      time: "06:00"
+      timezone: "America/Chicago"
+    commit-message:
+      prefix: "chore"
+    labels: ["dependencies"]
+    ignore:
+      # Ignore patch updates for all dependencies
+      - dependency-name: "*"
+        update-types:
+          - version-update:semver-patch