SLF4J Stable Version

Rolling back SLF4j to the last stable version identified in Maven
Central.

Author: jeremiahjstacey

pom.xml

@@ -264,7 +264,7 @@
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>2.0.0-alpha5</version>
+            <version>1.7.33</version>
         </dependency>
         <dependency>
             <groupId>xml-apis</groupId>