Update PHP and package versions

Author: chepurko

Dockerfile

@@ -1,12 +1,12 @@
-FROM wordpress:php7.2-fpm
+FROM wordpress:php7.3-fpm
 
 RUN apt-get update && apt-get install -y \
         libicu-dev \
         libmcrypt-dev \
         libmagickwand-dev \
         libsodium-dev \
+        libzip-dev \
         --no-install-recommends && rm -r /var/lib/apt/lists/* \
-
-    && pecl install redis-4.1.1 imagick-3.4.3 libsodium-2.0.12 \
+    && pecl install redis-4.2.0 imagick-3.4.3 libsodium-2.0.21 \
     && docker-php-ext-enable redis imagick sodium \
     && docker-php-ext-install -j$(nproc) exif gettext intl sockets zip