Upgrade to JDK 11, Vert.x 3.9.16 and Gradle 7.6.3

[tomaszmichalak]

Refs knotx/knotx#500 Fixes knotx/knotx#520 Fixes #8

Description

• upgrade Vert.x to 3.9.16
• upgrade deps to latest versions (security fixes)
• upgrade to JDK 11
• upgrade Gradle to 7.6.3

Motivation and Context

Multiple security issues detected. This is a security update.

• io.vertx:vertx-dependencies:3.9.8 -> io.vertx:vertx-dependencies:3.9.16
• commons-io:commons-io:2.5 -> commons-io:commons-io:2.15.1
• org.apache.commons:commons-collections4:4.2 -> org.apache.commons:commons-collections4:4.4
• com.google.guava:guava:30.1.1-jre -> com.google.guava:guava:33.0.0-jre
• ch.qos.logback:logback-classic:1.2.3 -> ch.qos.logback:logback-classic:1.4.14
• com.github.tomakehurst:wiremock-jre8:2.30.1 -> org.wiremock:wiremock:3.3.1

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• [x] I have read the CONTRIBUTING document.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.

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I hereby agree to the terms of the Knot.x Contributor License Agreement.