fix(deps): update openapitools/openapi-generator-cli docker tag to v7.18.0

Author: renovate[bot]

Makefile

@@ -6,7 +6,7 @@ API_VERSION ?= v1.12.2.4211
 REPO ?= Prowlarr/Prowlarr
 API_PATH ?= /src/Prowlarr.Api.V1/openapi.json
 URL ?= ${BASE_SWAGGER_URL}${REPO}/${API_VERSION}${API_PATH}
-OPENAPI_GENERATOR_IMAGE ?= openapitools/openapi-generator-cli:v7.17.0@sha256:868b97eb4e5080d2cdfd5b3eeaa4d52e4bbb7c56f14e234b08b0b0bc4f38a78f
+OPENAPI_GENERATOR_IMAGE ?= openapitools/openapi-generator-cli:v7.18.0@sha256:be5c0a17c978ed4c39985312af3129882407581e07f2e3167cf777c908ffd52b
 BASE_PATH ?= .generated-code/${APP}-${SDK}
 PY_VERSION_FILES ?= setup.py pyproject.toml ${APP}/__init__.py ${APP}/api_client.py ${APP}/configuration.py