Increase yarn timeout

It can be slow when building docker using qemu

support/docker/production/Dockerfile.bullseye

@@ -21,10 +21,10 @@ WORKDIR /app
 
 USER peertube
 
-RUN yarn install --pure-lockfile \
+RUN yarn install --pure-lockfile --network-timeout 600000 \
     && npm run build -- $NPM_RUN_BUILD_OPTS \
     && rm -r ./node_modules ./client/node_modules \
-    && yarn install --pure-lockfile --production \
+    && yarn install --pure-lockfile --production --network-timeout 600000 \
     && yarn cache clean
 
 USER root