Dockerfile: Update PHP to v8.4.5 & composer to v2.8.6 (#15)

Author: tangrufus

Dockerfile

@@ -1,6 +1,6 @@
-FROM php:8.4.4-cli-alpine
+FROM php:8.4.5-cli-alpine
 
-COPY --from=composer/composer:2.8.4-bin /composer /usr/local/bin/composer
+COPY --from=composer/composer:2.8.6-bin /composer /usr/local/bin/composer
 
 COPY bin/decode-php-constraint /usr/local/bin/decode-php-constraint
 COPY composer.json composer.lock /app/