Should be compatible with the upcoming 4.x Maven release

[erikgb]

Describe the bug

When enabling plugin validation I see some warnings about this plugin not being ready for Maven 4.x. This should be fixed.

Current behavior

[WARNING]    * Plugin depends on the deprecated Maven 2.x compatibility layer, which may not be supported in Maven 4.x
[WARNING]    * Plugin should declare these Maven artifacts in `provided` scope: [org.apache.maven:maven-compat:3.8.6, org.apache.maven:maven-resolver-provider:3.8.6, org.apache.maven:maven-settings-builder:3.8.6, org.apache.maven:maven-repository-metadata:3.8.6, org.apache.maven:maven-core:3.8.6, org.apache.maven:maven-model-builder:3.8.6, org.apache.maven:maven-plugin-api:3.8.6, org.apache.maven:maven-model:3.8.6, org.apache.maven:maven-builder-support:3.8.6, org.apache.maven:maven-settings:3.8.6]
[WARNING] 
[WARNING]  * org.jfrog.buildinfo:artifactory-maven-plugin:3.6.1
[WARNING]   Declared at location(s):
[WARNING]    * <REDACTED>
[WARNING]   Used in module(s):
[WARNING]    * <REDACTED> (pom.xml)
[WARNING]   Plugin issue(s):
[WARNING]    * Plugin should declare these Maven artifacts in `provided` scope: [org.apache.maven:maven-artifact:3.3.9, org.apache.maven:maven-settings-builder:3.3.9, org.apache.maven:maven-repository-metadata:3.3.9, org.apache.maven:maven-builder-support:3.3.9, org.apache.maven:maven-core:3.3.9, org.apache.maven:maven-aether-provider:3.3.9, org.apache.maven:maven-settings:3.3.9, org.apache.maven:maven-plugin-api:3.3.9, org.apache.maven:maven-model-builder:3.3.9, org.apache.maven:maven-model:3.3.9]
[WARNING] 
[WARNING] 
[WARNING] Fix reported issues by adjusting plugin configuration or by upgrading above listed plugins. If no upgrade available, please notify plugin maintainers about reported issues.

Reproduction steps

• Start with a Maven project configured with this plugin.
• Run the build with a recent version of Maven (we use version 3.9.2)
• Supply the following CLI argument: -Dmaven.plugin.validation=VERBOSE

Expected behavior

No warnings about this plugin emitted.

Artifactory Maven plugin version

3.6.1

Operating system type and version

N/A

JFrog Artifactory version

N/A

Maven version

3.9.2