[Snyk] Security upgrade org.apache.avro:avro from 1.11.3 to 1.12.0

[ynleborg]

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

Snyk changed the following file(s):

• kouncil-backend/pom.xml

Vulnerabilities that will be fixed with an upgrade:

	Issue	Score	Upgrade
	Denial of Service (DoS) SNYK-JAVA-COMFASTERXMLJACKSONCORE-7569538	721	org.apache.avro:avro: 1.11.3 -> 1.12.0 No Known Exploit
	Infinite loop SNYK-JAVA-ORGAPACHECOMMONS-6254296	619	org.apache.avro:avro: 1.11.3 -> 1.12.0 No Known Exploit
	Allocation of Resources Without Limits or Throttling SNYK-JAVA-ORGAPACHECOMMONS-6254297	429	org.apache.avro:avro: 1.11.3 -> 1.12.0 No Known Exploit

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• 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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Learn how to fix vulnerabilities with free interactive lessons:

🦉 Denial of Service (DoS)
🦉 Allocation of Resources Without Limits or Throttling