Merge pull request #688 from graphql-java-kickstart/renovate/org.slf4j-slf4j-api-2.x

Update dependency org.slf4j:slf4j-api to v2

Author: oliemansm

pom.xml

@@ -68,7 +68,7 @@
             <dependency>
                 <groupId>org.slf4j</groupId>
                 <artifactId>slf4j-api</artifactId>
-                <version>1.7.36</version>
+                <version>2.0.0</version>
             </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>