feat: bump composer

Author: loks0n

Dockerfile

@@ -1,4 +1,4 @@
-FROM composer:2.0 as composer
+FROM composer:2.6 as composer
 
 ARG TESTING=false
 ENV TESTING=$TESTING
@@ -24,4 +24,4 @@ RUN apk update && apk add git
 COPY --from=composer /usr/local/src/vendor /usr/local/src/vendor
 COPY . /usr/local/src/
 
-CMD [ "tail", "-f", "/dev/null" ]
+CMD [ "tail", "-f", "/dev/null" ]