Bump gRPC version

Author: Clement-Jean

build.gradle

@@ -15,9 +15,14 @@ repositories {
     mavenCentral()
 }
 
+ext {
+    protoVersion = '3.20.0'
+    grpcVersion = '1.45.1'
+}
+
 protobuf {
     protoc {
-        artifact = "com.google.protobuf:protoc:3.19.2"
+        artifact = "com.google.protobuf:protoc:$protoVersion"
     }
     plugins {
         grpc {
@@ -35,17 +40,18 @@ sourceSets.main.java.srcDir new File(buildDir, 'generated/source')
 
 dependencies {
     implementation 'junit:junit:4.13.2'
-    runtimeOnly 'io.grpc:grpc-netty-shaded:1.45.0'
-    implementation 'io.grpc:grpc-protobuf:1.45.0'
-    implementation 'io.grpc:grpc-stub:1.45.0'
-    implementation 'io.grpc:grpc-services:1.45.0'
+    runtimeOnly "io.grpc:grpc-netty-shaded:$grpcVersion"
+    implementation "io.grpc:grpc-protobuf:$grpcVersion"
+    implementation "io.grpc:grpc-stub:$grpcVersion"
+    implementation "io.grpc:grpc-services:$grpcVersion"
     compileOnly 'org.apache.tomcat:annotations-api:6.0.53'
+    implementation 'com.google.protobuf:protobuf-java-util:3.20.0'
 
     implementation 'org.mongodb:mongodb-driver-sync:4.5.1'
 
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
-    testImplementation 'org.mockito:mockito-core:4.3.1'
+    testImplementation 'org.mockito:mockito-core:4.4.0'
 }
 
 test {