chore(deps): update dependency com.google.cloud:google-cloud-spanner …

…to v6.17.0 (#1575)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner](https://togithub.com/googleapis/java-spanner) | `6.16.0` -> `6.17.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner/6.17.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner/6.17.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner/6.17.0/compatibility-slim/6.16.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner/6.17.0/confidence-slim/6.16.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v6.17.0`](https://togithub.com/googleapis/java-spanner/blob/master/CHANGELOG.md#&#8203;6170-httpswwwgithubcomgoogleapisjava-spannercomparev6160v6170-2021-12-06)

[Compare Source](https://togithub.com/googleapis/java-spanner/compare/v6.16.0...v6.17.0)

##### Features

-   NaNs in Mutations are equal and have the same hashcode ([#&#8203;1554](https://www.togithub.com/googleapis/java-spanner/issues/1554)) ([91a18fc](https://www.github.com/googleapis/java-spanner/commit/91a18fc09a2034959758d38f1278dc93128c7622))

##### Dependencies

-   update dependency com.google.cloud:google-cloud-monitoring to v3.2.0 ([#&#8203;1571](https://www.togithub.com/googleapis/java-spanner/issues/1571)) ([0e0d9f7](https://www.github.com/googleapis/java-spanner/commit/0e0d9f7c45c71dd4e9b5500bb3931e1d399041bc))
-   update dependency com.google.cloud:google-cloud-shared-dependencies to v2.5.1 ([#&#8203;1570](https://www.togithub.com/googleapis/java-spanner/issues/1570)) ([563879e](https://www.github.com/googleapis/java-spanner/commit/563879e82e77da0603f1b817190d98cfbee4e81f))
-   update dependency org.json:json to v20211205 ([#&#8203;1572](https://www.togithub.com/googleapis/java-spanner/issues/1572)) ([59593bd](https://www.github.com/googleapis/java-spanner/commit/59593bd471e7e890b589c9e5a7291a837a88a0e7))

</details>

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README.md

@@ -41,7 +41,7 @@ If you are using Maven without BOM, add this to your dependencies:
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-spanner</artifactId>
-  <version>6.16.0</version>
+  <version>6.17.0</version>
 </dependency>
 
 ```

samples/install-without-bom/pom.xml

@@ -32,7 +32,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-spanner</artifactId>
-      <version>6.16.0</version>
+      <version>6.17.0</version>
     </dependency>
     <!-- [END spanner_install_without_bom] -->