deps: update dependency com.google.api:api-common to v1.10.6 (#178)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.api:api-common](https://togithub.com/googleapis/api-common-java) | `1.8.1` -> `1.10.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.api:api-common/1.10.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.api:api-common/1.10.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.api:api-common/1.10.6/compatibility-slim/1.8.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.api:api-common/1.10.6/confidence-slim/1.8.1)](https://docs.renovatebot.com/merge-confidence/) |

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proto-google-iam-v1/build.gradle

@@ -19,7 +19,7 @@ repositories {
 
 dependencies {
   compile 'com.google.protobuf:protobuf-java:3.7.1'
-  compile 'com.google.api:api-common:1.8.1'
+  compile 'com.google.api:api-common:1.10.6'
   compile project(':proto-google-common-protos')
 }