Bump logstash-logback-encoder from 6.4 to 6.5

Bumps [logstash-logback-encoder](https://github.com/logstash/logstash-logback-encoder) from 6.4 to 6.5.
- [Release notes](https://github.com/logstash/logstash-logback-encoder/releases)
- [Commits](logfellow/logstash-logback-encoder@logstash-logback-encoder-6.4...logstash-logback-encoder-6.5)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -48,7 +48,7 @@
         <dependency>
             <groupId>net.logstash.logback</groupId>
             <artifactId>logstash-logback-encoder</artifactId>
-            <version>6.4</version>
+            <version>6.5</version>
         </dependency>
 
 		<dependency>