deps: update dependency com.google.cloud:google-cloud-bigquery to v1.124.5 (#666)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:google-cloud-bigquery](https://togithub.com/googleapis/java-bigquery) | patch | `1.124.4` -> `1.124.5` |

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### Release Notes

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

### [`v1.124.5`](https://togithub.com/googleapis/java-bigquery/blob/master/CHANGELOG.md#&#8203;11245-httpswwwgithubcomgoogleapisjava-bigquerycomparev11244v11245-2020-11-11)

[Compare Source](https://togithub.com/googleapis/java-bigquery/compare/v1.124.4...v1.124.5)

</details>

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pom.xml

@@ -97,7 +97,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquery</artifactId>
-        <version>1.124.4</version>
+        <version>1.124.5</version>
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>