deps: update dependency com.google.cloud:google-cloud-bigquery to v1.122.2 (#418)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:google-cloud-bigquery](https://togithub.com/googleapis/java-bigquery) | patch | `1.122.1` -> `1.122.2` |

---

### Release Notes

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

### [`v1.122.2`](https://togithub.com/googleapis/java-bigquery/blob/master/CHANGELOG.md#&#8203;11222-httpswwwgithubcomgoogleapisjava-bigquerycomparev11221v11222-2020-10-08)

[Compare Source](https://togithub.com/googleapis/java-bigquery/compare/v1.122.1...v1.122.2)

</details>

---

### Renovate configuration

:date: **Schedule**: At any time (no schedule defined).

:vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

:recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

:no_bell: **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/java-bigquerydatatransfer).

Author: renovate-bot

samples/install-without-bom/pom.xml

@@ -54,7 +54,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquery</artifactId>
-      <version>1.122.1</version>
+      <version>1.122.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>

samples/snapshot/pom.xml

@@ -53,7 +53,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquery</artifactId>
-      <version>1.122.1</version>
+      <version>1.122.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>

samples/snippets/pom.xml

@@ -65,7 +65,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquery</artifactId>
-      <version>1.122.1</version>
+      <version>1.122.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>