deps: Change scope of grpc-inprocess dependency from runtime to test (#2038)

* deps: Change scope of grpc-inprocess dependency from runtime to test

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* deps: Change scope of grpc-inprocess dependency from runtime to test

---------

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Author: michaelpri10

google-cloud-pubsub/pom.xml

@@ -85,7 +85,7 @@
     <dependency>
       <groupId>io.grpc</groupId>
       <artifactId>grpc-inprocess</artifactId>
-      <scope>runtime</scope>
+      <scope>test</scope>
     </dependency>
     <dependency>
       <groupId>com.google.errorprone</groupId>