deps: update dependency com.google.cloud:google-cloud-spanner-bom to …

…v6.31.0 (#1000)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-spanner-bom](https://togithub.com/googleapis/java-spanner) | `6.30.2` -> `6.31.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.31.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.31.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.31.0/compatibility-slim/6.30.2)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-spanner-bom/6.31.0/confidence-slim/6.30.2)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v6.31.0`](https://togithub.com/googleapis/java-spanner/blob/HEAD/CHANGELOG.md#&#8203;6310-httpsgithubcomgoogleapisjava-spannercomparev6302v6310-2022-09-29)

[Compare Source](https://togithub.com/googleapis/java-spanner/compare/v6.30.2...v6.31.0)

##### Features

-   Support customer managed instance configurations ([#&#8203;1742](https://togithub.com/googleapis/java-spanner/issues/1742)) ([c1c805c](https://togithub.com/googleapis/java-spanner/commit/c1c805cf6e9c00f2d6796627d919338be1a0599a))

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-trace to v2.3.4 ([#&#8203;2027](https://togithub.com/googleapis/java-spanner/issues/2027)) ([14890ed](https://togithub.com/googleapis/java-spanner/commit/14890ed8e0df99eba7c2521a196132c78054b6ed))
-   Update dependency com.google.cloud:google-cloud-trace to v2.3.5 ([#&#8203;2083](https://togithub.com/googleapis/java-spanner/issues/2083)) ([cef4e0a](https://togithub.com/googleapis/java-spanner/commit/cef4e0ada98ab65020f32836fc0c8ab1ee0c7eed))
-   Update dependency org.graalvm.buildtools:junit-platform-native to v0.9.14 ([#&#8203;2030](https://togithub.com/googleapis/java-spanner/issues/2030)) ([04b59ff](https://togithub.com/googleapis/java-spanner/commit/04b59ff8a1efaa32082aa4e9567d90b5956810c6))
-   Update dependency org.json:json to v20220924 ([#&#8203;2035](https://togithub.com/googleapis/java-spanner/issues/2035)) ([a26a14a](https://togithub.com/googleapis/java-spanner/commit/a26a14a94ac3ca6cd7eabce6826cce3dde27ea66))

</details>

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pom.xml

@@ -62,7 +62,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner-bom</artifactId>
-        <version>6.30.2</version>
+        <version>6.31.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>