chore(deps): update dependency com.google.cloud:google-cloud-essentia…

…l-contacts to v2 (#74)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-essential-contacts](https://togithub.com/googleapis/java-essential-contacts) | `1.0.0` -> `2.0.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-essential-contacts/2.0.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-essential-contacts/2.0.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-essential-contacts/2.0.0/compatibility-slim/1.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-essential-contacts/2.0.0/confidence-slim/1.0.0)](https://docs.renovatebot.com/merge-confidence/) |

***

### Release Notes

<details>
<summary>googleapis/java-essential-contacts</summary>

### [`v2.0.0`](https://togithub.com/googleapis/java-essential-contacts/blob/master/CHANGELOG.md#​200-httpswwwgithubcomgoogleapisjava-essential-contactscomparev100v200-2021-08-06)

[Compare Source](https://togithub.com/googleapis/java-essential-contacts/compare/v1.0.0...v2.0.0)

##### ⚠ BREAKING CHANGES

*   release gapic-generator-java v2.0.0 ([#​70](https://togithub.com/googleapis/java-essential-contacts/issues/70))

##### Features

*   release gapic-generator-java v2.0.0 ([#​70](https://www.togithub.com/googleapis/java-essential-contacts/issues/70)) ([1e3b7f4](https://www.togithub.com/googleapis/java-essential-contacts/commit/1e3b7f4d8eaebd2bb5c7284bd1fda437fda0a9e0))

##### Bug Fixes

*   owlbot post-processor should generate README ([#​1154](https://www.togithub.com/googleapis/java-essential-contacts/issues/1154)) ([#​55](https://www.togithub.com/googleapis/java-essential-contacts/issues/55)) ([ef7e2ca](https://www.togithub.com/googleapis/java-essential-contacts/commit/ef7e2ca95d572cd6fa8dddf105fd5eff9d562c4f)), closes [#​1146](https://www.togithub.com/googleapis/java-essential-contacts/issues/1146) [#​1147](https://www.togithub.com/googleapis/java-essential-contacts/issues/1147)

##### Dependencies

*   update dependency com.google.cloud:google-cloud-shared-dependencies to v2 ([#​71](https://www.togithub.com/googleapis/java-essential-contacts/issues/71)) ([d2a5fee](https://www.togithub.com/googleapis/java-essential-contacts/commit/d2a5feef5965ef42f358c91bddfbc5eb9cdd2714))

</details>

***

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samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-essential-contacts</artifactId>
-      <version>1.0.0</version>
+      <version>2.0.0</version>
     </dependency>
     <!-- [END essential-contacts_install_without_bom] -->
 

samples/snapshot/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-essential-contacts</artifactId>
-      <version>1.0.0</version>
+      <version>2.0.0</version>
     </dependency>
   <!-- {x-version-update-end} -->
 

samples/snippets/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-essential-contacts</artifactId>
-      <version>1.0.0</version>
+      <version>2.0.0</version>
     </dependency>
 
     <dependency>