deps: update dependency com.google.cloud:google-cloud-shared-dependencies to v3.0.3 (#56)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-shared-dependencies](https://togithub.com/googleapis/java-shared-dependencies) | `3.0.2` -> `3.0.3` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.3/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.3/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.3/compatibility-slim/3.0.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-shared-dependencies/3.0.3/confidence-slim/3.0.2)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>googleapis/java-shared-dependencies</summary>

### [`v3.0.3`](https://togithub.com/googleapis/java-shared-dependencies/blob/HEAD/CHANGELOG.md#&#8203;303-httpsgithubcomgoogleapisjava-shared-dependenciescomparev302v303-2022-09-14)

[Compare Source](https://togithub.com/googleapis/java-shared-dependencies/compare/v3.0.2...v3.0.3)

##### Dependencies

-   Google-cloud-core 2.8.12 ([#&#8203;799](https://togithub.com/googleapis/java-shared-dependencies/issues/799)) ([1b3db8d](https://togithub.com/googleapis/java-shared-dependencies/commit/1b3db8d1e17c49ebae79fc96164fa9058e1df6e3))
-   Moving gson to first-party-dependencies ([#&#8203;800](https://togithub.com/googleapis/java-shared-dependencies/issues/800)) ([a41fcc1](https://togithub.com/googleapis/java-shared-dependencies/commit/a41fcc11d32e02e5af2837561792e3919f6d4b3f))
-   Update dependency com.google.protobuf:protobuf-bom to v3.21.6 ([#&#8203;797](https://togithub.com/googleapis/java-shared-dependencies/issues/797)) ([bc5fdc9](https://togithub.com/googleapis/java-shared-dependencies/commit/bc5fdc9b3af7973c28f063a9ac156fe2af562814))
-   Update gax.version to v2.19.1 ([#&#8203;798](https://togithub.com/googleapis/java-shared-dependencies/issues/798)) ([84e5487](https://togithub.com/googleapis/java-shared-dependencies/commit/84e5487b2e3dce4bb60badecebde788c3cb702b8))
-   Update google.core.version to v2.8.11 ([#&#8203;793](https://togithub.com/googleapis/java-shared-dependencies/issues/793)) ([63c1297](https://togithub.com/googleapis/java-shared-dependencies/commit/63c129722aa0b821031ff5b4c11004adf7b12044))

</details>

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Author: renovate-bot

java-bigquery-data-exchange/pom.xml

@@ -85,7 +85,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-shared-dependencies</artifactId>
-        <version>3.0.2</version>
+        <version>3.0.3</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>