deps: update dependency com.google.api.grpc:proto-google-cloud-os-con…

…fig-v1 to v1.1.6 (#560)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.api.grpc:proto-google-cloud-os-config-v1](https://togithub.com/googleapis/java-os-config) | `1.1.4` -> `1.1.6` | [![age](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-os-config-v1/1.1.6/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-os-config-v1/1.1.6/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-os-config-v1/1.1.6/compatibility-slim/1.1.4)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.api.grpc:proto-google-cloud-os-config-v1/1.1.6/confidence-slim/1.1.4)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

<details>
<summary>googleapis/java-os-config</summary>

### [`v1.1.6`](https://togithub.com/googleapis/java-os-config/blob/master/CHANGELOG.md#&#8203;116-httpswwwgithubcomgoogleapisjava-os-configcomparev115v116-2021-02-25)

[Compare Source](https://togithub.com/googleapis/java-os-config/compare/v1.1.4...v1.1.6)

</details>

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pom.xml

@@ -153,7 +153,7 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-os-config-v1</artifactId>
-        <version>1.1.4</version>
+        <version>1.1.6</version>
       </dependency>
 
       <dependency>