[Snyk] Fix for 3 vulnerabilities

[shaundmorris]

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

Snyk changed the following file(s):

• pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Improper Validation of Syntactic Correctness of Input SNYK-JAVA-ORGECLIPSEJETTY-8186141	708	org.eclipse.jetty:jetty-server: 9.4.28.v20200408 -> 12.0.12 Proof of Concept
	Improper Validation of Syntactic Correctness of Input SNYK-JAVA-ORGECLIPSEJETTY-8186158	708	org.eclipse.jetty:jetty-security: 9.4.28.v20200408 -> 12.0.12 org.eclipse.jetty:jetty-server: 9.4.28.v20200408 -> 12.0.12 Proof of Concept
	Denial of Service (DoS) SNYK-JAVA-ORGECLIPSEJETTY-8186142	696	org.eclipse.jetty:jetty-security: 9.4.28.v20200408 -> 12.0.12 org.eclipse.jetty:jetty-server: 9.4.28.v20200408 -> 12.0.12 No Known Exploit

---

[!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:

🦉 Denial of Service (DoS)