Remove gomod from dependabot (#38)

Author: aurimasbutkus

.github/dependabot.yml

@@ -1,17 +1,6 @@
-# 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://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
 version: 2
 updates:
-  - package-ecosystem: "gomod"
+  - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
       interval: "weekly"
-    groups:
-      dependencies:
-        applies-to: version-updates
-        update-types:
-          - "minor"
-          - "patch"