[Snyk] Fix for 1 vulnerabilities

[mlbiam]

Snyk has created this PR to fix 1 vulnerabilities in the maven dependencies of this project.

Snyk changed the following file(s):

• unison/pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Denial of Service (DoS) SNYK-JAVA-IONETTY-8367012	733	io.netty:netty-codec: 4.1.112.Final -> 4.1.115.Final io.netty:netty-codec-http: 4.1.112.Final -> 4.1.115.Final io.netty:netty-codec-http2: 4.1.112.Final -> 4.1.115.Final io.netty:netty-common: 4.1.112.Final -> 4.1.115.Final Proof of Concept

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[!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.

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