deps: update dependency com.google.cloud:google-cloud-core to v1.94.7 (#530)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-core](https://togithub.com/googleapis/java-core) | `1.94.6` -> `1.94.7` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.94.7/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.94.7/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.94.7/compatibility-slim/1.94.6)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/1.94.7/confidence-slim/1.94.6)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-core</summary>

### [`v1.94.7`](https://togithub.com/googleapis/java-core/blob/master/CHANGELOG.md#&#8203;1947-httpswwwgithubcomgoogleapisjava-corecomparev1946v1947-2021-04-12)

[Compare Source](https://togithub.com/googleapis/java-core/compare/v1.94.6...v1.94.7)

</details>

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automl/snippets/pom.xml

@@ -71,7 +71,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-core</artifactId>
-      <version>1.94.6</version>
+      <version>1.94.7</version>
       <scope>test</scope>
       <classifier>tests</classifier>
     </dependency>