Drop PHP v7 3 support (#17)

Author: PabloKowalczyk

composer.json

@@ -23,7 +23,7 @@
         "preferred-install": "dist"
     },
     "require": {
-        "php": ">=7.3",
+        "php": ">=7.4",
         "symfony/config": "^3.4 || ^4.4 || ^5.1",
         "symfony/dependency-injection": "^3.4 || ^4.4 || ^5.1",
         "symfony/http-kernel": "^3.4 || ^4.4 || ^5.1"

docker/apache/Dockerfile

@@ -1,4 +1,4 @@
-FROM php:7.3.24-apache
+FROM php:7.4.16-apache
 
 ENV APACHE_DOCUMENT_ROOT /var/www/html/public
 
@@ -17,7 +17,7 @@ RUN pecl install apcu-5.1.17 && \
         opcache \
         apcu
 
-COPY --from=composer:2.0.7 /usr/bin/composer /usr/bin/composer
+COPY --from=composer:2.0.12 /usr/bin/composer /usr/bin/composer
 
 RUN usermod -u 1000 www-data && groupmod -g 1000 www-data
 ENV COMPOSER_HOME /var/www/.composer

project/composer.json

@@ -2,7 +2,7 @@
     "type": "project",
     "license": "proprietary",
     "require": {
-        "php": ">=7.3",
+        "php": ">=7.4",
         "pablok/cache-stats-bundle": "*@dev",
         "symfony/apache-pack": "^1.0",
         "symfony/console": "^3.4",