chore(deps): update dependency composer/composer to v2.9.4 (#301)

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

Author: renovate[bot]

Dockerfile

@@ -161,7 +161,7 @@ RUN version=0.31.0 && \
 # renovate: datasource=github-releases depName=composer/composer extractVersion=^(?<version>.*)$
 ENV COMPOSER_ALLOW_SUPERUSER=1
 # hadolint ignore=DL4006
-RUN version=2.9.3 && \
+RUN version=2.9.4 && \
     curl -sS https://getcomposer.org/download/${version}/composer.phar.sha256sum | awk '{ print $1, "composer.phar" }' > composer.phar.sha256sum && \
     curl -sS -o composer.phar https://getcomposer.org/download/${version}/composer.phar && \
     sha256sum -c composer.phar.sha256sum && \