squelch slf4j (#119)

Co-authored-by: Al Niessner <Al.Niessner@xxx.xxx>

Author: al-niessner

pom.xml

@@ -92,6 +92,12 @@ POSSIBILITY OF SUCH DAMAGE.
             <artifactId>opencsv</artifactId>
             <version>5.9</version>
         </dependency>
+	    <!-- Silence SLF4J messages (NASA-PDS/registry-mgr:117) -->
+		<dependency>
+    		<groupId>org.slf4j</groupId>
+    		<artifactId>slf4j-nop</artifactId>
+    		<version>2.0.16</version>
+		</dependency>
     </dependencies>
 
     <build>