fix: upgrade org.yaml:snakeyaml from 2.0 to 2.2

Snyk has created this PR to upgrade org.yaml:snakeyaml from 2.0 to 2.2.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.yaml/snakeyaml/

See this project in Snyk:
https://app.snyk.io/org/anbo-de/project/ee44bfa2-9c74-4e6d-bbb8-fa23594b6bd0?utm_source=github&utm_medium=referral&page=upgrade-pr

qanary_pipeline-template/pom.xml

@@ -60,7 +60,7 @@
 		<dependency>
     			<groupId>org.yaml</groupId>
 			<artifactId>snakeyaml</artifactId>
-			<version>2.0</version>
+			<version>2.2</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>