action-build-reporter - Disable main repo at the job level

[gsmet]

Just downloading the artifacts takes time so let's disable the run for
the main repository at the job level so nothing is executed.

[quarkus-bot]

Thanks for your pull request!

The title of your pull request does not follow our editorial rules. Could you have a look?

• title should preferably start with an uppercase character (if it makes sense!)

This message is automatically generated by a bot.

[gsmet]

Let's wait for the full CI run in my fork and the main repo before merging as I need to compare the behaviors.

[quarkus-bot]

Failing Jobs - Building d842916

Status	Name	Step	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 11
✖	JVM Tests - JDK 11 Windows	Build	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 17
✔️	JVM Tests - JDK 18
✔️	Maven Tests - JDK 11
⌛	Maven Tests - JDK 11 Windows	Build	⚠️ Check →	Logs	Raw logs

Full information is available in the Build summary check run.

Failures

⚙️ JVM Tests - JDK 11 Windows #

- Failing: integration-tests/opentelemetry-vertx 

📦 integration-tests/opentelemetry-vertx

✖ io.quarkus.it.opentelemetry.vertx.HelloRouterTest.bus line 134 - More details - Source on GitHub

org.opentest4j.AssertionFailedError: expected: <CONSUMER> but was: <PRODUCER>
	at org.junit.jupiter.api.AssertionFailureBuilder.build(AssertionFailureBuilder.java:151)
	at org.junit.jupiter.api.AssertionFailureBuilder.buildAndThrow(AssertionFailureBuilder.java:132)