upgrade openapi generator; remove obsolete fixes

Author: CalebCourier

openapitools.json

@@ -2,7 +2,7 @@
   "$schema": "./node_modules/@openapitools/openapi-generator-cli/config.schema.json",
   "spaces": 2,
   "generator-cli": {
-    "version": "7.5.0",
+    "version": "7.15.0",
     "generators": {
       "ts": {
         "generatorName": "typescript-fetch",
@@ -13,7 +13,7 @@
           "supportsES6": true,
           "withInterfaces": true,
           "npmName": "@guardrails-ai/api-client",
-          "npmVersion": "0.3.0"
+          "npmVersion": "0.4.0-alpha2"
         }
       },
       "py": {
@@ -23,7 +23,7 @@
         "skipValidateSpec": true,
         "additionalProperties": {
           "packageName": "guardrails_api_client",
-          "packageVersion": "0.3.0",
+          "packageVersion": "0.4.0-alpha2",
           "projectName": "guardrails-api-client"
         }
       }