ci: disable dependabot grouping

Author: caarlos0

.github/dependabot.yml

@@ -9,10 +9,6 @@ updates:
     commit-message:
       prefix: "chore"
       include: "scope"
-    groups:
-      gomod:
-        patterns:
-          - "*"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
@@ -22,10 +18,6 @@ updates:
     commit-message:
       prefix: "chore"
       include: "scope"
-    groups:
-      github-actions:
-        patterns:
-          - "*"
   - package-ecosystem: "docker"
     directory: "/"
     schedule: