Provide correct values in pom.xml for url, scm informations instead of PROJECT_URL

[apupier]

Before Creating the Enhancement Request

• I have confirmed that this should be classified as an enhancement rather than a bug/feature.

Summary

Provide correct values in pom.xml for url, scm informations instead of PROJECT_URL

for instance https://repo1.maven.org/maven2/org/apache/rocketmq/rocketmq-proto/2.1.2/rocketmq-proto-2.1.2.pom

we can notice several PROJECT_URL values

Motivation

it will help to find source code from the jar.

Describe the Solution You'd Like

have the correct url specified in the pom file

Describe Alternatives You've Considered

none

Additional Context

initially rported here apache/rocketmq#10403