Remove Team:Fleet from dependabot.yml (#4475)

* Remove Team:Fleet from dependabot.yml

* Update dependabot.yml

* Use control plane team label

Author: kpollich

.github/dependabot.yml

@@ -8,13 +8,11 @@ updates:
     labels:
       - automation
       - dependency
-      - Team:Fleet
+      - Team:Elastic-Agent-Control-Plane
     allow:
       # Only update internal dependencies for now while we evaluate this workflow.
       - dependency-name: "github.com/elastic/*"
       - dependency-name: "go.elastic.co/*"
-    reviewers:
-      - "elastic/fleet"
     open-pull-requests-limit: 10
     groups:
       elastic-apm: