fix: upgrade org.fugerit.java:fj-core from 8.6.7 to 8.6.8

Snyk has created this PR to upgrade org.fugerit.java:fj-core from 8.6.7 to 8.6.8.

See this package in maven:
org.fugerit.java:fj-core

See this project in Snyk:
https://app.snyk.io/org/fugerit79/project/58ce960d-5263-4e4c-92b4-0fb657de78bd?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

pom.xml

@@ -32,7 +32,7 @@
 	    <maven.compiler.target>${java-version-compliance}</maven.compiler.target>	
 	    <maven.compiler.release>${java-version-compliance}</maven.compiler.release>
 		<!-- libraries versions -->
-		<fj-version>8.6.7</fj-version>
+		<fj-version>8.6.8</fj-version>
 	</properties>
 
 	<licenses>