chore(deps): update dependency com.google.cloud:libraries-bom to v5.1…

….0 (#169)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [com.google.cloud:libraries-bom](https://github.com/GoogleCloudPlatform/cloud-opensource-java) | minor | `5.0.0` -> `5.1.0` |

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Source-Author: WhiteSource Renovate <bot@renovateapp.com>
Source-Date: Tue Apr 14 19:40:16 2020 +0200
Source-Repo: googleapis/java-bigquerystorage
Source-Sha: caae033
Source-Link: caae033

README.md

@@ -20,7 +20,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>5.0.0</version>
+      <version>5.1.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>

synth.metadata

@@ -11,7 +11,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-bigquerystorage.git",
-        "sha": "befb4f1a4fb77f1524f8ffa3c562e801acd06c16"
+        "sha": "caae03358010c85f9ec26d24c739c0873fc5cc3b"
       }
     },
     {