[Snyk] Fix for 3 vulnerabilities

[johndenford]

Snyk has created this PR to fix 3 vulnerabilities in the rubygems dependencies of this project.

Snyk changed the following file(s):

• Gemfile
• Gemfile.lock

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score
	Cross-site Scripting (XSS) SNYK-RUBY-RACK-15307670	102
	Exposure of Information Through Directory Listing SNYK-RUBY-RACK-15307669	67
	Unchecked Return Value SNYK-RUBY-NOKOGIRI-15315717	50

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✅ Snyk checks have passed. No issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues
✅	Licenses	0	0	0	0	0 issues

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