ci(dependabot): update dependabot config

Author: nicokempe

.github/dependabot.yml

@@ -8,10 +8,8 @@ updates:
       timezone: "Europe/Berlin"
     assignees:
       - "nicokempe"
-    reviewers:
-      - "nicokempe"
     commit-message:
-      prefix: "[npm] "
+      prefix: "chore(npm): "
   - package-ecosystem: "docker"
     directory: "/agent"
     schedule:
@@ -20,10 +18,8 @@ updates:
       timezone: "Europe/Berlin"
     assignees:
       - "nicokempe"
-    reviewers:
-      - "nicokempe"
     commit-message:
-      prefix: "[npm] "
+      prefix: "chore(docker): "
   - package-ecosystem: "npm"
     directory: "/agent"
     schedule:
@@ -32,7 +28,5 @@ updates:
       timezone: "Europe/Berlin"
     assignees:
       - "nicokempe"
-    reviewers:
-      - "nicokempe"
     commit-message:
-      prefix: "[npm] "
+      prefix: "chore(npm): "