HDDS-13364. Use properties for Java/Maven version enforcement

[adoroszlai]

What changes were proposed in this pull request?

POM properties enforced.java.version and enforced.maven.version are currently unused, enforcer plugin is configured with hard-coded values. This change is to start using the properties.

Also bump minimum Maven version to 3.6.3, since it is required by the enforcer plugin anyway.

https://issues.apache.org/jira/browse/HDDS-13364

How was this patch tested?

Enforcer passes with software matching the default enforced versions:

$ java -version
openjdk version "1.8.0_452"
...

$ mvn -v
Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)
...

$ mvn -N validate
...
[INFO] --- maven-enforcer-plugin:3.5.0:enforce (enforce-property) @ ozone-main ---
[INFO] Rule 0: org.apache.maven.enforcer.rules.property.RequireProperty passed
[INFO] Rule 1: org.apache.maven.enforcer.rules.version.RequireMavenVersion passed
[INFO] Rule 2: org.apache.maven.enforcer.rules.version.RequireJavaVersion passed
...
[INFO] BUILD SUCCESS

Using newer software with default enforced versions:

$ JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64 mvn -N validate
...
[INFO] BUILD SUCCESS

$ ~/lib/apache-maven-3.9.9/bin/mvn -V -N validate
Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937)
...
[INFO] BUILD SUCCESS

Also with newer software using custom enforced versions:

$ JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64 mvn -N validate -Djavac.version=11
...
[INFO] BUILD SUCCESS

$ ~/lib/apache-maven-3.9.10/bin/mvn -V -N validate -Denforced.maven.version=3.9.9
Apache Maven 3.9.10 (5f519b97e944483d878815739f519b2eade0a91d)
...
[INFO] BUILD SUCCESS

But fails with older ones:

$ mvn -N validate -Denforced.maven.version=3.9.10
...
[ERROR] Rule 1: org.apache.maven.enforcer.rules.version.RequireMavenVersion failed with message:
[ERROR] Detected Maven Version: 3.6.3 is not in the allowed range [3.9.10,).

$ mvn -N validate -Djavac.version=11
...
[ERROR] Rule 2: org.apache.maven.enforcer.rules.version.RequireJavaVersion failed with message:
[ERROR] Detected JDK version 1.8.0-452 (JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/jre) is not in the allowed range [11,).

$ JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64 mvn -N validate -Djavac.version=21
...
[ERROR] Rule 2: org.apache.maven.enforcer.rules.version.RequireJavaVersion failed with message:
[ERROR] Detected JDK version 11.0.27 (JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64) is not in the allowed range [21,).

$ ~/lib/apache-maven-3.3.9/bin/mvn -V -N validate
Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T17:41:47+01:00)
...
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:3.5.0:enforce (enforce-property) on project ozone-main: The plugin org.apache.maven.plugins:maven-enforcer-plugin:3.5.0 requires Maven version 3.6.3
...

CI:
https://github.com/adoroszlai/ozone/actions/runs/16018602189

[adoroszlai]

Thanks @jojochuang for the review.