force the use of version 6.6.0 of openapi-generator-cli due to a bug since...

force the use of version 6.6.0 of openapi-generator-cli due to a bug since version 7 (https://github.com/OpenAPITools/openapi-generator/issues/16711)

package.json

 {
   "//": [
-	"ARF - Augmented Reality Framework (ETSI ISG ARF)",
-
-	"Copyright 2022 ETSI",
-
-	"Licensed under the Apache License, Version 2.0 (the \"License\");",
-	"you may not use this file except in compliance with the License.",
-	"You may obtain a copy of the License at",
-
-     	"http://www.apache.org/licenses/LICENSE-2.0",
-
-	"Unless required by applicable law or agreed to in writing, software",
-	"distributed under the License is distributed on an \"AS IS\" BASIS,",
-	"WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
-	"See the License for the specific language governing permissions and",
-	"limitations under the License.",
-
-	"Last change: June 2022"
-	],
+    "ARF - Augmented Reality Framework (ETSI ISG ARF)",
+    "Copyright 2022 ETSI",
+    "Licensed under the Apache License, Version 2.0 (the \"License\");",
+    "you may not use this file except in compliance with the License.",
+    "You may obtain a copy of the License at",
+    "http://www.apache.org/licenses/LICENSE-2.0",
+    "Unless required by applicable law or agreed to in writing, software",
+    "distributed under the License is distributed on an \"AS IS\" BASIS,",
+    "WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.",
+    "See the License for the specific language governing permissions and",
+    "limitations under the License.",
+    "Last change: June 2022"
+  ],
   "name": "worldstorageserver",
   "version": "0.0.1",
   "description": "ISG ARF World Storage Cpp Server",
   "main": "index.js",
   "scripts": {
-    "generate": "cd EtsiServerGen && npx @openapitools/openapi-generator-cli generate -i ../arf005/API/openapi.yaml  -g cpp-pistache-server -o .",
+    "generate": "cd EtsiServerGen && npx @openapitools/openapi-generator-cli version-manager set 6.6.0 && npx @openapitools/openapi-generator-cli generate -i ../arf005/API/openapi.yaml  -g cpp-pistache-server -o .",
     "dependencies": "cp -a ./nlohmann ./EtsiServerGen/model && sudo add-apt-repository ppa:pistache+team/unstable && sudo apt update && sudo apt install libpistache-dev",
     "build": "cd EtsiServerGen && mkdir -p build && cd build && cmake .. && sudo make install"
-  },
-  "devDependencies": {
-    "@openapitools/openapi-generator-cli": "^2.4.23"
   }
 }