fix: Gemfile.lock & Gemfile to reduce vulnerabilities (#250)
fix: Gemfile.lock & Gemfile to reduce vulnerabilities (#250)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-RACK-72566
- https://snyk.io/vuln/SNYK-RUBY-RACK-72567
Leko/WEB-EGG,Leko/WEB-EGG,Leko/WEB-EGG