fix: Snyk security upgrade nginx from 1.23.3 to 1.25.5 (#89)

Co-authored-by: snyk-bot <snyk-bot@snyk.io>
Co-authored-by: mkbreuning <97112931+mkbreuningIOHK@users.noreply.github.com>
Co-authored-by: Yurii Shynbuiev - IOHK <yurii.shynbuiev@iohk.io>

infra/Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1
+FROM nginx:1.25.5
 COPY ./infra/website/ /usr/share/nginx/html
 RUN rm /etc/nginx/conf.d/default.conf
 COPY ./infra/nginx/nginx.conf /etc/nginx/conf.d