chore(deps): update composer docker tag to v2.7 (#250)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

README.md

@@ -85,7 +85,7 @@ http://localhost
 
 - Base image
   - [php](https://hub.docker.com/_/php):8.3-fpm-bullseye
-  - [composer](https://hub.docker.com/_/composer):2.6
+  - [composer](https://hub.docker.com/_/composer):2.7
 
 ### web container
 

infra/docker/php/Dockerfile

@@ -12,7 +12,7 @@ ENV TZ=UTC \
   COMPOSER_ALLOW_SUPERUSER=1 \
   COMPOSER_HOME=/composer
 
-COPY --from=composer:2.6 /usr/bin/composer /usr/bin/composer
+COPY --from=composer:2.7 /usr/bin/composer /usr/bin/composer
 
 RUN <<EOF
   apt-get update