run npm config fix for node 18

dockerfiles/Dockerfile.react-native-android-builder

@@ -5,6 +5,7 @@ ARG JAVA_VERSION
 ENV JAVA_HOME=/usr/local/openjdk-${JAVA_VERSION}
 
 ARG NODE_VERSION
+ENV NODE_VERSION=$NODE_VERSION
 RUN curl -sL https://deb.nodesource.com/setup_$NODE_VERSION.x | bash -
 RUN apt-get install -y nodejs rsync
 
@@ -21,7 +22,9 @@ RUN echo "registry=$REGISTRY_URL" >> ~/.npmrc
 RUN echo "_auth=$REG_BASIC_CREDENTIAL" >> ~/.npmrc
 RUN echo "email=$REG_NPM_EMAIL" >> ~/.npmrc
 RUN echo "always-auth=true" >> ~/.npmrc
-RUN npm config fix
+
+# fix npm auth config for node 18
+RUN if [ "$NODE_VERSION" = "18" ]; then npm config fix; fi
 
 # gradle / artifactory auth
 ARG MAVEN_REPO_URL