bump to bullseye again

Dockerfile

@@ -10,7 +10,7 @@ ADD nginx.conf /etc/nginx/nginx.conf
 ADD supervisord.conf /etc/supervisord.conf
 ADD start.sh /start.sh
 
-RUN echo "cgi.fix_pathinfo = 0;" >> /etc/php/7.3/fpm/php.ini && \
+RUN echo "cgi.fix_pathinfo = 0;" >> /etc/php/7.4/fpm/php.ini && \
     sed -i -e "s|;daemonize\s*=\s*yes|daemonize = no|g" /etc/php/7.4/fpm/php-fpm.conf && \
     sed -i -e "s|listen\s*=\s*127\.0\.0\.1:9000|listen = /var/run/php-fpm7.sock|g" /etc/php/7.4/fpm/pool.d/www.conf && \
     sed -i -e "s|;listen\.owner\s*=\s*|listen.owner = |g" /etc/php/7.4/fpm/pool.d/www.conf && \