Bump grpc-java to 1.81.0 to silence Java 25 Unsafe deprecation warning (#873)

* Bump grpc-java to 1.81.0 to silence Java 25 Unsafe deprecation warning

Bumps io.grpc:grpc-netty-shaded (and grpc-protobuf, grpc-stub, protoc-gen-grpc-java) from 1.75.0 to 1.81.0, which pulls in shaded Netty 4.1.132. The previous shaded Netty (4.1.118 inside grpc-java 1.75.0) called the now terminally-deprecated sun.misc.Unsafe::allocateMemory, producing noisy warnings on JDK 23+ (and especially JDK 25). Netty 4.1.124+ routes direct-buffer allocation away from the deprecated method, so the warning goes away without any code or launch-argument changes.

grpc-java 1.81.0 still targets Java 8 bytecode (animal-sniffer is still on the dependency tree), so this preserves Java 8 compatibility for the worker.

* Bump protobuf-java and protoc to 3.25.8

Bumps protobuf-java (and the matching protoc artifact used by protobuf-maven-plugin) from 3.25.5 to 3.25.8. Same minor (3.25.x), patch-level fixes only, fully compatible with grpc-protobuf 1.81.0 which declares 3.25.5 as the minimum.

Author: ahmedmuhsin

pom.xml

@@ -22,7 +22,7 @@
     <jupiter.version>5.9.1</jupiter.version>
     <mockito-core.version>4.11.0</mockito-core.version>
     <appinsights.agents.version>3.7.6</appinsights.agents.version>
-    <grpc.version>1.75.0</grpc.version>
+    <grpc.version>1.81.0</grpc.version>
   </properties>
   <licenses>
     <license>
@@ -75,7 +75,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java</artifactId>
-      <version>3.25.5</version>
+      <version>3.25.8</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>
@@ -147,7 +147,7 @@
         <artifactId>protobuf-maven-plugin</artifactId>
         <version>0.5.1</version>
         <configuration>
-          <protocArtifact>com.google.protobuf:protoc:3.25.5:exe:${os.detected.classifier}</protocArtifact>
+          <protocArtifact>com.google.protobuf:protoc:3.25.8:exe:${os.detected.classifier}</protocArtifact>
           <pluginId>grpc-java</pluginId>
           <pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
           <protoSourceRoot>${basedir}/src/main/azure-functions-language-worker-protobuf/src/proto</protoSourceRoot>