pom.xml fix

        <dependency>
            <groupId>com.google.api.grpc</groupId>
            <artifactId>grpc-google-common-protos</artifactId>
            <version>0.1.9</version>
        </dependency>
        <dependency>
            <groupId>org.apache.beam</groupId>
            <artifactId>beam-sdks-java-io-google-cloud-platform</artifactId>
            <version>${beam.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>com.google.api.grpc</groupId>
                    <artifactId>grpc-google-common-protos</artifactId>
                </exclusion>
            </exclusions>
        </dependency>