Bump org.jboss.resteasy:resteasy-jackson2-provider in /qa/wildfly

Bumps org.jboss.resteasy:resteasy-jackson2-provider from 3.0.19.Final to 6.2.3.Final.

---
updated-dependencies:
- dependency-name: org.jboss.resteasy:resteasy-jackson2-provider
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

qa/wildfly/build.gradle

@@ -42,7 +42,7 @@ dependencies {
   providedCompile 'javax.enterprise:cdi-api:2.0'
   providedCompile 'org.jboss.spec.javax.annotation:jboss-annotations-api_1.2_spec:1.0.2.Final'
   providedCompile 'org.jboss.spec.javax.ws.rs:jboss-jaxrs-api_2.0_spec:1.0.1.Final'
-  api('org.jboss.resteasy:resteasy-jackson2-provider:3.0.19.Final') {
+  api('org.jboss.resteasy:resteasy-jackson2-provider:6.2.3.Final') {
     exclude module: 'jackson-annotations'
     exclude module: 'jackson-core'
     exclude module: 'jackson-databind'