deps: update dependency com.google.api.grpc:proto-google-common-proto…

…s to v2.1.0 (#387)

pom.xml

@@ -153,7 +153,7 @@
     <site.installationModule>google-cloud-core-parent</site.installationModule>
     <gax.version>1.60.1</gax.version>
     <google.api-common.version>1.10.1</google.api-common.version>
-    <google.common-protos.version>2.0.1</google.common-protos.version>
+    <google.common-protos.version>2.1.0</google.common-protos.version>
     <google.iam.version>1.0.9</google.iam.version>
     <google.auth.version>0.24.0</google.auth.version>
     <google.api.version>1.31.2</google.api.version>