Update grpc-java monorepo to v1.75.0

Author: renovate[bot]

runner/build.gradle

@@ -48,10 +48,10 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.18.3'
 
     implementation 'javax.annotation:javax.annotation-api:1.3.2'
-    implementation 'io.grpc:grpc-netty:1.63.0' // or latest version
-    implementation 'io.grpc:grpc-protobuf:1.63.0'
-    implementation 'io.grpc:grpc-stub:1.63.0'
-    implementation 'io.grpc:grpc-core:1.63.0'
+    implementation 'io.grpc:grpc-netty:1.75.0' // or latest version
+    implementation 'io.grpc:grpc-protobuf:1.75.0'
+    implementation 'io.grpc:grpc-stub:1.75.0'
+    implementation 'io.grpc:grpc-core:1.75.0'
     implementation 'com.google.protobuf:protobuf-java:4.28.2'
 
     implementation 'com.google.guava:guava:33.4.5-jre'