Update gRPC

Author: trask

dependencyManagement/build.gradle.kts

@@ -14,7 +14,7 @@ val DEPENDENCY_BOMS = listOf(
   "com.linecorp.armeria:armeria-bom:1.31.2",
   "com.squareup.okhttp3:okhttp-bom:4.12.0",
   "com.squareup.okio:okio-bom:3.9.1", // applies to transitive dependencies of okhttp
-  "io.grpc:grpc-bom:1.68.2",
+  "io.grpc:grpc-bom:1.75.0",
   "io.netty:netty-bom:4.1.115.Final",
   "io.zipkin.brave:brave-bom:6.0.3",
   "io.zipkin.reporter2:zipkin-reporter-bom:3.4.2",