Upgrade to Lettuce 6.3.

Closes #2728

pom.xml

@@ -24,7 +24,7 @@
 		<beanutils>1.9.4</beanutils>
 		<xstream>1.4.20</xstream>
 		<pool>2.11.1</pool>
-		<lettuce>6.3.0.BUILD-SNAPSHOT</lettuce>
+		<lettuce>6.3.0.RELEASE</lettuce>
 		<jedis>5.0.2</jedis>
 		<multithreadedtc>1.01</multithreadedtc>
 		<netty>4.1.100.Final</netty>
@@ -382,14 +382,6 @@
 	</profiles>
 
 	<repositories>
-		<repository>
-			<id>sonatype-snapshots</id>
-			<name>Sonatype Snapshot Repository</name>
-			<url>https://oss.sonatype.org/content/repositories/snapshots/</url>
-			<snapshots>
-				<enabled>true</enabled>
-			</snapshots>
-		</repository>
 		<repository>
 			<id>spring-snapshot</id>
 			<url>https://repo.spring.io/snapshot</url>