Bump netty-all from 4.0.26.Final to 4.1.42.Final in /providers/netty4

Bumps [netty-all](https://github.com/netty/netty) from 4.0.26.Final to 4.1.42.Final.
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](netty/netty@netty-4.0.26.Final...netty-4.1.42.Final)

---
updated-dependencies:
- dependency-name: io.netty:netty-all
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

providers/netty4/pom.xml

@@ -16,7 +16,7 @@
 		<dependency>
 			<groupId>io.netty</groupId>
 			<artifactId>netty-all</artifactId>
-			<version>4.0.26.Final</version>
+			<version>4.1.42.Final</version>
 		</dependency>
 		<dependency>
 			<groupId>org.javassist</groupId>