add ext-http to php7.2 and php7.3 builds

dockerfiles/tasks/php/Dockerfile-7.3

@@ -17,7 +17,7 @@ RUN apt-get update && apt-get install -y software-properties-common python-softw
     curl nano sed libwww-perl htop ca-certificates \
     php7.3 php7.3-cli php7.3-fpm php7.3-curl php-pear php7.3-zip php7.3-mbstring php7.3-xml \
     php7.3-mysql php7.3-pgsql php7.3-redis \
-    php-mcrypt \
+    php-mcrypt php7.3-http\
     \
   && apt-cache pkgnames | grep php7.3 \
   && rm /usr/bin/php && ln -s /usr/bin/php7.3 /usr/bin/php \