deps: update google.core.version to v2 (major) (#427)

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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) | `1.96.1` -> `2.0.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.0.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.0.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.0.2/compatibility-slim/1.96.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.0.2/confidence-slim/1.96.1)](https://docs.renovatebot.com/merge-confidence/) |
| [com.google.cloud:google-cloud-core-bom](https://togithub.com/googleapis/java-core) | `1.96.1` -> `2.0.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.0.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.0.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.0.2/compatibility-slim/1.96.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.0.2/confidence-slim/1.96.1)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.0.2`](https://togithub.com/googleapis/java-core/blob/master/CHANGELOG.md#&#8203;202-httpswwwgithubcomgoogleapisjava-corecomparev201v202-2021-08-03)

</details>

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Author: renovate-bot

pom.xml

@@ -62,7 +62,7 @@
     <protobuf.version>3.17.3</protobuf.version>
     <google.api-common.version>2.0.0</google.api-common.version>
     <google.common-protos.version>2.3.2</google.common-protos.version>
-    <google.core.version>1.96.1</google.core.version>
+    <google.core.version>2.0.2</google.core.version>
     <google.auth.version>1.0.0</google.auth.version>
     <google.http-client.version>1.39.2</google.http-client.version>
     <google.oauth-client.version>1.31.5</google.oauth-client.version>