Bump io.projectreactor.netty:reactor-netty from 1.1.19 to 1.1.20

Bumps [io.projectreactor.netty:reactor-netty](https://github.com/reactor/reactor-netty) from 1.1.19 to 1.1.20.
- [Release notes](https://github.com/reactor/reactor-netty/releases)
- [Commits](reactor/reactor-netty@v1.1.19...v1.1.20)

---
updated-dependencies:
- dependency-name: io.projectreactor.netty:reactor-netty
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

sslcontext-kickstart-for-netty/pom.xml

@@ -37,7 +37,7 @@
 
     <properties>
         <version.netty-handler>4.1.110.Final</version.netty-handler>
-        <version.reactor-netty>1.1.19</version.reactor-netty>
+        <version.reactor-netty>1.1.20</version.reactor-netty>
     </properties>
 
     <dependencies>