Bump io.grpc related dependency versions (#868)

Author: mantas-sidlauskas

build.gradle

@@ -69,12 +69,12 @@ dependencies {
     compile group: 'com.auth0', name: 'java-jwt', version:'3.10.2'
     compile group: 'com.google.protobuf', name: 'protobuf-java', version: '3.21.9'
     compile group: 'com.google.api.grpc', name: 'proto-google-common-protos', version: '2.10.0'
-    compile group: 'io.grpc', name: 'grpc-testing', version: '1.51.0'
+    compile group: 'io.grpc', name: 'grpc-testing', version: '1.54.2'
     compile group: 'com.google.protobuf', name: 'protobuf-java-util', version: '3.21.9'
 
-    implementation 'io.grpc:grpc-netty-shaded:1.28.0'
-    implementation 'io.grpc:grpc-protobuf:1.28.0'
-    implementation 'io.grpc:grpc-stub:1.28.0'
+    implementation 'io.grpc:grpc-netty-shaded:1.54.2'
+    implementation 'io.grpc:grpc-protobuf:1.54.2'
+    implementation 'io.grpc:grpc-stub:1.54.2'
 
     compile("io.opentelemetry:opentelemetry-api:1.19.0")