deps: update google.core.version to v2.8.3 (#760)

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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) | `2.8.1` -> `2.8.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.3/compatibility-slim/2.8.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core/2.8.3/confidence-slim/2.8.1)](https://docs.renovatebot.com/merge-confidence/) |
| [com.google.cloud:google-cloud-core-bom](https://togithub.com/googleapis/java-core) | `2.8.1` -> `2.8.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.3/compatibility-slim/2.8.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-core-bom/2.8.3/confidence-slim/2.8.1)](https://docs.renovatebot.com/merge-confidence/) |

---

### Release Notes

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

### [`v2.8.3`](https://togithub.com/googleapis/java-core/blob/HEAD/CHANGELOG.md#&#8203;283-httpsgithubcomgoogleapisjava-corecomparev282v283-2022-07-26)

[Compare Source](https://togithub.com/googleapis/java-core/compare/v2.8.1...v2.8.3)

##### Dependencies

-   update dependency com.google.api-client:google-api-client-bom to v2 ([#&#8203;868](https://togithub.com/googleapis/java-core/issues/868)) ([e117c40](https://togithub.com/googleapis/java-core/commit/e117c40f31acf16a45bdbeeb727ba26d80eb6a51))
-   update dependency com.google.api:gax-bom to v2.18.4 ([#&#8203;864](https://togithub.com/googleapis/java-core/issues/864)) ([bd40b1d](https://togithub.com/googleapis/java-core/commit/bd40b1d1b36cdcfa833047609e2488594b112be1))
-   update dependency com.google.api:gax-bom to v2.18.5 ([#&#8203;876](https://togithub.com/googleapis/java-core/issues/876)) ([d8dc7fb](https://togithub.com/googleapis/java-core/commit/d8dc7fbdb0d65e493ca4154658c63e80d89ab600))
-   update dependency com.google.api.grpc:proto-google-common-protos to v2.9.2 ([#&#8203;870](https://togithub.com/googleapis/java-core/issues/870)) ([7e961e9](https://togithub.com/googleapis/java-core/commit/7e961e945d5e049a1a1bb2592e9c155b5937e33b))
-   update dependency com.google.api.grpc:proto-google-iam-v1 to v1.5.2 ([#&#8203;865](https://togithub.com/googleapis/java-core/issues/865)) ([fe7b974](https://togithub.com/googleapis/java-core/commit/fe7b974a0eae82711ca96edf412944309d5d6202))
-   update dependency com.google.auth:google-auth-library-bom to v1.8.1 ([#&#8203;856](https://togithub.com/googleapis/java-core/issues/856)) ([92df5d3](https://togithub.com/googleapis/java-core/commit/92df5d3c248214970d38432e8c264d151298d1e6))
-   update dependency com.google.http-client:google-http-client-bom to v1.42.2 ([#&#8203;871](https://togithub.com/googleapis/java-core/issues/871)) ([1972e8e](https://togithub.com/googleapis/java-core/commit/1972e8e45e11597e56609aa5fcd44e61958d5857))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.3 ([#&#8203;874](https://togithub.com/googleapis/java-core/issues/874)) ([1e18977](https://togithub.com/googleapis/java-core/commit/1e18977820ac766157156fb6246bd318d207971c))
-   update dependency com.google.protobuf:protobuf-bom to v3.21.4 ([#&#8203;877](https://togithub.com/googleapis/java-core/issues/877)) ([d12fb5e](https://togithub.com/googleapis/java-core/commit/d12fb5e4eb8aa42015df84abf31f56408c8b64d8))
-   update dependency io.grpc:grpc-bom to v1.48.0 ([#&#8203;873](https://togithub.com/googleapis/java-core/issues/873)) ([a45b075](https://togithub.com/googleapis/java-core/commit/a45b075e414049550c51ff0097337e45128fc499))

</details>

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java-shared-dependencies/first-party-dependencies/pom.xml

@@ -62,7 +62,7 @@
     <protobuf.version>3.21.4</protobuf.version>
     <google.api-common.version>2.2.1</google.api-common.version>
     <google.common-protos.version>2.9.2</google.common-protos.version>
-    <google.core.version>2.8.1</google.core.version>
+    <google.core.version>2.8.3</google.core.version>
     <google.auth.version>1.8.1</google.auth.version>
     <google.http-client.version>1.42.2</google.http-client.version>
     <google.oauth-client.version>1.34.1</google.oauth-client.version>