deps: update dependency com.google.cloud:google-cloud-storage to v1.113.4 (googleapis#951)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:google-cloud-storage](https://togithub.com/googleapis/java-storage) | patch | `1.113.3` -> `1.113.4` |

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### Release Notes

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

### [`v1.113.4`](https://togithub.com/googleapis/java-storage/blob/master/CHANGELOG.md#&#8203;11134-httpswwwgithubcomgoogleapisjava-storagecomparev11133v11134-2020-11-13)

[Compare Source](https://togithub.com/googleapis/java-storage/compare/v1.113.3...v1.113.4)

</details>

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pom.xml

@@ -118,7 +118,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-storage</artifactId>
-        <version>1.113.3</version>
+        <version>1.113.4</version>
         <scope>test</scope>
       </dependency>
     </dependencies>