Replace reviewers for CODEOWNERS

Replace reviewers for CODEOWNERS. See this blogpost why - https://github
.blog/changelog/2025-04-29-dependabot-reviewers-configuration-option
-being-replaced-by-code-owners/

Author: smcvb

.github/CODEOWNERS

@@ -0,0 +1 @@
+*   @AxonFramework/framework-developers

.github/dependabot.yml

@@ -11,8 +11,6 @@ updates:
     - "Type: Dependency Upgrade"
     - "Priority 1: Must"
   milestone: 10
-  reviewers:
-    - "AxonFramework/framework-developers"
   groups:
     github-dependencies:
       update-types:
@@ -30,8 +28,6 @@ updates:
     - "Type: Dependency Upgrade"
     - "Priority 1: Must"
   milestone: 10
-  reviewers:
-    - "AxonFramework/framework-developers"
   groups:
     maven-dependencies:
       update-types: