chore(deps): update io.gravitee.gateway:gravitee-gateway-api to v4

Author: renovate[bot]

pom.xml

@@ -38,7 +38,7 @@
 
     <properties>
         <gravitee-bom.version>8.3.39</gravitee-bom.version>
-        <gravitee-gateway-api.version>3.13.0</gravitee-gateway-api.version>
+        <gravitee-gateway-api.version>4.0.0</gravitee-gateway-api.version>
         <gravitee-node-api.version>6.8.3</gravitee-node-api.version>
 
         <gravitee-policy-api.version>1.11.0</gravitee-policy-api.version>