Remove labels attribute from Dependabot configuration

Author: dmolineus

.github/dependabot.yaml

@@ -7,8 +7,6 @@ updates:
       include: "scope"
       prefix: "composer"
     directory: "/"
-    labels:
-      - "dependency"
     open-pull-requests-limit: 0
     package-ecosystem: "composer"
     schedule:
@@ -19,8 +17,6 @@ updates:
       include: "scope"
       prefix: "github-actions"
     directory: "/"
-    labels:
-      - "dependency"
     package-ecosystem: "github-actions"
     schedule:
       interval: "weekly"