Update 'Dockerfile'

Dockerfile

@@ -1,7 +1,7 @@
 FROM mcr.microsoft.com/powershell:ubuntu-bionic
 
 ARG DEBIAN_FRONTEND=noninteractive
-ARG PHP_VERSION=7.3
+ARG PHP_VERSION=7.4
 
 COPY init/entrypoint.sh /usr/local/bin
 
@@ -28,9 +28,8 @@ RUN chmod +x /usr/local/bin/entrypoint.sh && \
     # Include vhost's
     sed -i -e '$a\' -e 'include_shell "cat /etc/lighttpd/vhosts.d/*.conf"' /etc/lighttpd/lighttpd.conf && \
     # Enable browscap
-    sed -i -e 's/;browscap /browscap /' /etc/php/$PHP_VERSION/cgi/php.ini && \
-    mkdir /etc/php/$PHP_VERSION/cgi/extra && \
-    curl -Ls https://browscap.org/stream?q=Lite_PHP_BrowsCapINI -o /etc/php/$PHP_VERSION/cgi/extra/browscap.ini && \
+    sed -i -e 's|;browscap.*|browscap = /usr/lib/php/browscap.ini|' /etc/php/$PHP_VERSION/cgi/php.ini && \
+    curl -Ls https://browscap.org/stream?q=Lite_PHP_BrowsCapINI -o /usr/lib/php/browscap.ini && \
     mkdir -p /run/lighttpd/ && chown www-data /run/lighttpd/ && \
     apt-get remove -y \
       libterm-readline-gnu-perl \