Revert "Upgrade to gRPC v4"

[gastaldi]

• Reverts Upgrade to gRPC v4 #47157
• See Upgrade to gRPC v4 #47157 (comment)

[quarkus-bot]

/cc @brunobat (opentelemetry), @radcortez (opentelemetry)

[quarkus-bot]

Status for workflow Quarkus Documentation CI

This is the status report for running Quarkus Documentation CI on commit 7f1ae0e.

✅ 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.

Warning

There are other workflow runs running, you probably need to wait for their status before merging.

[github-actions]

🎊 PR Preview df47e17 has been successfully built and deployed to https://quarkus-pr-main-49560-preview.surge.sh/version/main/guides/

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[quarkus-bot]

Status for workflow Quarkus CI

This is the status report for running Quarkus CI on commit 7f1ae0e.

Failing Jobs

Status	Name	Step	Failures	Logs	Raw logs	Build scan
⌛	JVM Integration Tests - JDK 17		⚠️ Check →	Logs	Raw logs	🚧
✔️	JVM Integration Tests - JDK 17 Windows			Logs	Raw logs	🚧
✔️	JVM Integration Tests - JDK 21			Logs	Raw logs	🚧

You can consult the Develocity build scans.

---

Flaky tests - Develocity

⚙️ JVM Tests - JDK 21

📦 extensions/infinispan-cache/deployment

❌ io.quarkus.cache.infinispan.InfinispanCacheTest.testGetAsyncWithParallelCalls - History

• expected: "thread1" but was: "thread2" - org.opentest4j.AssertionFailedError

org.opentest4j.AssertionFailedError: 

expected: "thread1"
 but was: "thread2"
	at io.quarkus.cache.infinispan.InfinispanCacheTest.testGetAsyncWithParallelCalls(InfinispanCacheTest.java:283)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at io.quarkus.test.QuarkusUnitTest.runExtensionMethod(QuarkusUnitTest.java:534)
	at io.quarkus.test.QuarkusUnitTest.interceptTestMethod(QuarkusUnitTest.java:448)

[gastaldi]

Better revert now before other changes depending on it are merged