chore: update dependabot (#1052)

Author: metcoder95

.github/dependabot.yml

@@ -8,6 +8,7 @@ updates:
     labels:
       - "backport v5"
       - "backport v4"
+      - "backport v6"
       - "dependencies"
       - "github_actions"
 
@@ -18,6 +19,7 @@ updates:
     open-pull-requests-limit: 10
     labels:
       - "backport v5"
+      - "backport v6"
       - "backport v4"
       - "dependencies"
       - "github_actions"