Ignore flaky ProtocolCompatibilityTest#serviceTalkToGrpcJavaTimeout

Motivation:

Ignore this test until apple#1489 is resolved. Otherwise, it blocks other PRs.

servicetalk-grpc-netty/src/test/java/io/servicetalk/grpc/netty/ProtocolCompatibilityTest.java

@@ -71,6 +71,7 @@
 import io.grpc.stub.StreamObserver;
 import io.netty.handler.ssl.SslContext;
 import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
+import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.experimental.theories.DataPoints;
 import org.junit.experimental.theories.FromDataPoints;
@@ -525,6 +526,7 @@ public void grpcJavaToGrpcJavaTimeout(@FromDataPoints("ssl") final boolean ssl,
     }
 
     @Theory
+    @Ignore("https://github.com/apple/servicetalk/issues/1489")
     public void serviceTalkToGrpcJavaTimeout(@FromDataPoints("ssl") final boolean ssl,
                                       @FromDataPoints("streaming") final boolean streaming,
                                       @FromDataPoints("compression") final String compression) throws Exception {