Bump 4.13.0 branch (#7734)

Issue: wazuh/wazuh-qa-automation#3898

Author: wazuhci

docker/imposter/wazuh-config.yml

@@ -1,6 +1,6 @@
 ---
 plugin: openapi
-specFile: https://raw.githubusercontent.com/wazuh/wazuh/4.13.0/api/api/spec/spec.yaml
+specFile: https://raw.githubusercontent.com/wazuh/wazuh/v4.13.0/api/api/spec/spec.yaml
 system:
   stores:
     # this store is preloaded from file