Bump io.undertow:undertow-core

Bumps [io.undertow:undertow-core](https://github.com/undertow-io/undertow) from 2.3.12.Final to 2.3.17.Final.
- [Release notes](https://github.com/undertow-io/undertow/releases)
- [Commits](undertow-io/undertow@2.3.12.Final...2.3.17.Final)

---
updated-dependencies:
- dependency-name: io.undertow:undertow-core
  dependency-type: direct:production
...

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

buildpacks/maven/test-apps/simple-http-service/pom.xml

@@ -22,7 +22,7 @@
     <dependency>
       <groupId>io.undertow</groupId>
       <artifactId>undertow-core</artifactId>
-      <version>2.3.12.Final</version>
+      <version>2.3.17.Final</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>