Bump grpc-protobuf in /submarine-workbench/interpreter

Bumps [grpc-protobuf](https://github.com/grpc/grpc-java) from 1.15.0 to 1.53.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](https://github.com/grpc/grpc-java/compare/v1.15.0...v1.53.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-protobuf
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/submarine-workbench/interpreter/pom.xml b/submarine-workbench/interpreter/pom.xml
index 59bb45a..4ddae78 100644
--- a/submarine-workbench/interpreter/pom.xml
+++ b/submarine-workbench/interpreter/pom.xml
@@ -43,7 +43,7 @@
   </modules>
 
   <properties>
-    <grpc.version>1.15.0</grpc.version>
+    <grpc.version>1.53.0</grpc.version>
   </properties>
 
   <dependencyManagement>