Fix ci.yml for Gradle projects

[gastaldi]

• Should use gradle/actions/setup-gradle action instead too
• Fixes Quarkus Generator for gradle projects generates broken GitHub-Workflow #44975

[gsmet]

Thanks!

Just to be sure: I suppose you have generated a sample project and pushed it to GitHub?

[gastaldi]

Of course, that's how I reproduced the problem

[gsmet]

Awesome, probably something we should backport?

[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 73ed76f.

✅ 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/devmode

✖ io.quarkus.test.devui.DevUIGrpcSmokeTest.testTestService - History

• Too many recursions, message not returned for id [2048123956] - java.lang.RuntimeException

java.lang.RuntimeException: Too many recursions, message not returned for id [2048123956]
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:164)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)
	at io.quarkus.devui.tests.DevUIJsonRPCTest.objectResultFromJsonRPC(DevUIJsonRPCTest.java:167)