fix: update error message for missing GrpcSenderProvider dependency

Signed-off-by: Harsh Mehta <[email protected]>

Author: HarshMehta112

exporters/common/src/main/java/io/opentelemetry/exporter/internal/grpc/GrpcExporterBuilder.java

@@ -326,7 +326,7 @@ private GrpcSenderProvider resolveGrpcSenderProvider() {
     if (grpcSenderProviders.isEmpty()) {
       throw new IllegalStateException(
           "No GrpcSenderProvider found on classpath. Please add dependency on "
-              + "opentelemetry-exporter-sender-okhttp or opentelemetry-exporter-sender-grpc-upstream");
+              + "opentelemetry-exporter-sender-okhttp or opentelemetry-exporter-sender-grpc-managed-channel");
     }
 
     // Exactly one provider on classpath, use it

exporters/common/src/test/java/io/opentelemetry/exporter/internal/grpc/GrpcExporterTest.java

@@ -44,7 +44,7 @@ void build_NoGrpcSenderProvider() {
         .isInstanceOf(IllegalStateException.class)
         .hasMessage(
             "No GrpcSenderProvider found on classpath. Please add dependency on "
-                + "opentelemetry-exporter-sender-okhttp or opentelemetry-exporter-sender-grpc-upstream");
+                + "opentelemetry-exporter-sender-okhttp or opentelemetry-exporter-sender-grpc-managed-channel");
   }
 
   @ParameterizedTest