Ambiente docker e parâmetro para validação na assinatura

[andersonav]

• Cria docker/php/Dockerfile com extensões necessárias e Composer;
• Organiza configuração PHP em docker/php/conf.d/custom.ini;
• Atualiza docker-compose.yml para usar novo Dockerfile e montar custom.ini;
• Remove Dockerfile antigo da raiz;
• Ajusta ambiente para evitar erro de memória no PHPStan;
• Adiciona parâmetro para validação de XSD no Tools;

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.76%. Comparing base (e314daa) to head (432f3c5).
⚠️ Report is 6 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1328   +/-   ##
=========================================
  Coverage     93.76%   93.76%           
- Complexity     1677     1678    +1     
=========================================
  Files            53       53           
  Lines         11985    11986    +1     
=========================================
+ Hits          11238    11239    +1     
  Misses          747      747           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.