[Snyk] Fix for 2 vulnerabilities

[sethbergman]

Bug Report

What is the current behavior?

This pull request fixes one or more vulnerable gems in the dependencies of this project. See the Snyk test report for this project for details.

The PR includes:

Changes to Gemfile and Gemfile.lock to upgrade the vulnerable dependencies to a fixed version.
Vulnerabilities that will be fixed

With an upgrade:

SNYK-RUBY-RACKPROTECTION-20394 - potentially breaking change
SNYK-RUBY-RACKPROTECTION-20395 - potentially breaking change