Bump grpc-testing from 1.32.1 to 1.36.1

Bumps [grpc-testing](https://github.com/grpc/grpc-java) from 1.32.1 to 1.36.1.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.32.1...v1.36.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

pom.xml

@@ -19,7 +19,7 @@
         <java.version>1.8</java.version>
         <maven.compiler.target>1.8</maven.compiler.target>
         <maven.compiler.source>1.8</maven.compiler.source>
-        <grpc.version>1.32.1</grpc.version>
+        <grpc.version>1.36.1</grpc.version>
         <os-maven-plugin.version>1.6.2</os-maven-plugin.version>
         <protobuf-maven-plugin.version>0.6.1</protobuf-maven-plugin.version>
     </properties>