Bump org.eclipse.jetty:jetty-io in /iotp-adaptor

Bumps org.eclipse.jetty:jetty-io from 9.4.6.v20170531 to 9.4.40.v20210413.

---
updated-dependencies:
- dependency-name: org.eclipse.jetty:jetty-io
  dependency-type: direct:production
...

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

Author: dependabot[bot]

iotp-adaptor/pom.xml

@@ -13,7 +13,7 @@
 		<version-jvm>1.7</version-jvm>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
-		<version-jetty>9.4.6.v20170531</version-jetty>
+		<version-jetty>9.4.40.v20210413</version-jetty>
 		<version.lyo.core>2.4.0</version.lyo.core>
 		<version.lyo.server>2.4.0</version.lyo.server>
 	</properties>