deps: update dependency com.google.cloud:google-cloud-functions-bom t…

…o v1.0.2 (#1209)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:google-cloud-functions-bom](https://togithub.com/googleapis/java-functions) | patch | `1.0.1` -> `1.0.2` |

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### Release Notes

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

### [`v1.0.2`](https://togithub.com/googleapis/java-functions/blob/master/CHANGELOG.md#&#8203;102-httpswwwgithubcomgoogleapisjava-functionscomparev101v102-2020-11-17)

[Compare Source](https://togithub.com/googleapis/java-functions/compare/v1.0.1...v1.0.2)

</details>

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pom.xml

@@ -332,7 +332,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-functions-bom</artifactId>
-        <version>1.0.1</version>
+        <version>1.0.2</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>