fix: client/Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade: - https://snyk.io/vuln/SNYK-DEBIAN11-CURL-3065656 - https://snyk.io/vuln/SNYK-DEBIAN11-CURL-3065656 - https://snyk.io/vuln/SNYK-DEBIAN11-CURL-3179181 - https://snyk.io/vuln/SNYK-DEBIAN11-TIFF-3113871 - https://snyk.io/vuln/SNYK-DEBIAN11-TIFF-3252499

Author: snyk-bot

client/Dockerfile

@@ -6,7 +6,7 @@ RUN npm install
 COPY . .
 RUN npm run build
 
-FROM nginx:latest
+FROM nginx:1.23
 EXPOSE 3000
 COPY ./nginx/default.conf /etc/nginx/conf.d/default.conf
 COPY --from=build /app/build /usr/share/nginx/html