feat: yamllint installation in 8-review container

Author: mhitza

Dockerfile.php8-review

@@ -23,4 +23,6 @@ RUN echo "export PATH=$PATH:/opt/php-tools/bin" >> /root/.bashrc
 RUN composer global require icanhazstring/composer-unused \
   && ln -s /root/.config/composer/vendor/bin/composer-unused /usr/local/bin/composer-unused
 
+RUN apt-get update && apt-get install -y python3-pip && python3 -m pip install yamllint --break-system-packages
+
 ENTRYPOINT ["apache2-foreground"]