Extension registry transfer listener

[aloubyansky]

This PR introduces a registry artifact transfer listener. I.e. with this change whenever the client is refreshing the local extension catalog cache, Refreshing the local extension catalog cache of <registry-id> is logged, e.g.

[aloubyansky@localhost test]$ quarkus create app --registry-client
Refreshing the local extension catalog cache of registry.quarkus.io
-----------

applying codestarts...
📚  java
🔨  maven
📦  quarkus
📝  config-properties
🔧  dockerfiles
🔧  maven-wrapper
🚀  resteasy-codestart

-----------
[SUCCESS] ✅  quarkus project has been successfully generated in:
--> /home/aloubyansky/playground/test/code-with-quarkus
-----------

This PR also fixes a bug in cleaning up the local cache of timestamped snapshot artifacts.

[gastaldi]

Good idea!

[quarkus-bot]

Failing Jobs - Building 555e11b

Status	Name	Step	Test failures	Logs	Raw logs
✖	JVM Tests - JDK 11	Build	Test failures	Logs	Raw logs
✖	JVM Tests - JDK 16	Build	Test failures	Logs	Raw logs

Full information is available in the Build summary check run.

Test Failures

⚙️ JVM Tests - JDK 11 #

📦 integration-tests/opentelemetry

✖ io.quarkus.it.opentelemetry.OpenTelemetryTestCase.testClientTracing line 308 - More details - Source on GitHub

---

⚙️ JVM Tests - JDK 16 #

📦 extensions/vertx-http/deployment

✖ io.quarkus.vertx.http.testrunner.includes.ExcludePatternTestCase.checkTestsAreRun line 45 - More details - Source on GitHub