[Snyk] Fix for 1 vulnerabilities

[baby636]

Snyk has created this PR to fix 1 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
	Improper Restriction of XML External Entity Reference ('XXE') SNYK-RUBY-REXML-7814166	696

---

Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• Max score is 1000. Note that the real score may have changed since the PR was raised.
• This PR was automatically created by Snyk using the credentials of a real user.

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.

For more information:
🧐 View latest project report
📜 Customise PR templates
🛠 Adjust project settings
📚 Read about Snyk's upgrade logic

---

Learn how to fix vulnerabilities with free interactive lessons:

🦉 Learn about vulnerability in an interactive lesson of Snyk Learn.

[//]: # 'snyk:metadata:{"customTemplate":{"variablesUsed":[],"fieldsUsed":[]},"dependencies":[{"name":"jekyll","from":"4.1.1","to":"4.2.0"},{"name":"jekyll-relative-links","from":"0.6.1","to":"0.7.0"}],"env":"prod","issuesToFix":[{"exploit_maturity":"No Known Exploit","id":"SNYK-RUBY-REXML-7814166","priority_score":696,"priority_score_factors":[{"type":"freshness","label":true,"score":71},{"type":"fixability","label":true,"score":214},{"type":"cvssScore","label":"8.2","score":410},{"type":"scoreVersion","label":"v1","score":1}],"severity":"high","title":"Improper Restriction of XML External Entity Reference ('XXE')"},{"exploit_maturity":"No Known Exploit","id":"SNYK-RUBY-REXML-7814166","priority_score":696,"priority_score_factors":[{"type":"freshness","label":true,"score":71},{"type":"fixability","label":true,"score":214},{"type":"cvssScore","label":"8.2","score":410},{"type":"scoreVersion","label":"v1","score":1}],"severity":"high","title":"Improper Restriction of XML External Entity Reference ('XXE')"},{"exploit_maturity":"No Known Exploit","id":"SNYK-RUBY-REXML-7814166","priority_score":696,"priority_score_factors":[{"type":"freshness","label":true,"score":71},{"type":"fixability","label":true,"score":214},{"type":"cvssScore","label":"8.2","score":410},{"type":"scoreVersion","label":"v1","score":1}],"severity":"high","title":"Improper Restriction of XML External Entity Reference ('XXE')"},{"exploit_maturity":"No Known Exploit","id":"SNYK-RUBY-REXML-7814166","priority_score":696,"priority_score_factors":[{"type":"freshness","label":true,"score":71},{"type":"fixability","label":true,"score":214},{"type":"cvssScore","label":"8.2","score":410},{"type":"scoreVersion","label":"v1","score":1}],"severity":"high","title":"Improper Restriction of XML External Entity Reference ('XXE')"}],"prId":"f9eb52e4-454e-457e-a08b-02f762c3cf6b","prPublicId":"f9eb52e4-454e-457e-a08b-02f762c3cf6b","packageManager":"rubygems","priorityScoreList":[696],"projectPublicId":"752d35c3-e20f-45c8-8430-25c7187d997c","projectUrl":"https://app.snyk.io/org/baby636/project/752d35c3-e20f-45c8-8430-25c7187d997c?utm_source=github&utm_medium=referral&page=fix-pr","prType":"fix","templateFieldSources":{"branchName":"default","commitMessage":"default","description":"default","title":"default"},"templateVariants":["priorityScore"],"type":"auto","upgrade":["SNYK-RUBY-REXML-7814166"],"vulns":["SNYK-RUBY-REXML-7814166"],"patch":[],"isBreakingChange":false,"remediationStrategy":"vuln"}'