fix: upgrade org.slf4j:slf4j-api from 1.7.32 to 1.7.33

Snyk has created this PR to upgrade org.slf4j:slf4j-api from 1.7.32 to 1.7.33.

See this package in Maven Repository:
https://mvnrepository.com/artifact/org.slf4j/slf4j-api/

See this project in Snyk:
https://app.snyk.io/org/ketola/project/2d49b131-fa21-4f41-8223-aa06d4433281?utm_source=github&utm_medium=referral&page=upgrade-pr

pom.xml

@@ -35,7 +35,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <maven.compiler.source>11</maven.compiler.source>
     <maven.compiler.target>11</maven.compiler.target>
-    <slf4j.version>1.7.32</slf4j.version>
+    <slf4j.version>1.7.33</slf4j.version>
     <log4j.version>2.17.1</log4j.version>
   </properties>