Remove github-actions grouping as it serves no functional purpose

Co-authored-by: thomasturrell <1552612+thomasturrell@users.noreply.github.com>

Author: Copilot

.github/dependabot.yml

@@ -26,16 +26,3 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
-    groups:
-      auto-merge-minor-and-patch:
-        update-types:
-          - "minor"
-          - "patch"
-        patterns:
-          - "actions/checkout"
-          - "actions/create-github-app-token"
-          - "actions/setup-java"
-          - "actions/stale"
-          - "advanced-security/maven-dependency-submission-action"
-          - "dependabot/fetch-metadata"
-          - "github/codeql-action"