CI - Do not populate the cache for PRs as we won't store it

[gsmet]

No description provided.

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 583ef95.

✅ The latest workflow run for the pull request has completed successfully.

It should be safe to merge provided you have a look at the other checks in the summary.

You can consult the Develocity build scans.

---

Flaky tests - Develocity

⚙️ Maven Tests - JDK 17

📦 integration-tests/maven

✖ io.quarkus.maven.it.ImageBuildIT.testImageBuildWithJib - History

• expected: 0 but was: 1 - org.opentest4j.AssertionFailedError

org.opentest4j.AssertionFailedError: 

expected: 0
 but was: 1
	at io.quarkus.maven.it.ImageBuildIT.testImageBuildWithJib(ImageBuildIT.java:33)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)

✖ io.quarkus.maven.it.ImageBuildIT.testImageBuildWithJib - History

• expected: 0 but was: 1 - org.opentest4j.AssertionFailedError

org.opentest4j.AssertionFailedError: 

expected: 0
 but was: 1
	at io.quarkus.maven.it.ImageBuildIT.testImageBuildWithJib(ImageBuildIT.java:33)
	at java.base/java.lang.reflect.Method.invoke(Method.java:569)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)