Upgrade browserlist for the website (#4201)

#### Does this PR need a docs update or release note?

- [x] ⛔ No

#### Type of change

- [x] 🗺️ Documentation

website/Dockerfile

@@ -20,6 +20,7 @@ RUN apt-get -y update && apt-get -y install gpg emacs curl zip git make \
 WORKDIR /usr/src
 COPY package.json package-lock.json* ./
 RUN npm ci \
+  && npx update-browserslist-db@latest \
   && npm cache clean --force \
   && rm -f package.json package-lock.json*
 ENV PATH /usr/src/node_modules/.bin:$PATH