deps: update dependency com.google.cloud:google-cloud-bigtable-bom to v2.23.0 (#5975)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bigtable-bom](https://togithub.com/googleapis/java-bigtable) | `2.22.0` -> `2.23.0` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable-bom/2.23.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable-bom/2.23.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable-bom/2.23.0/compatibility-slim/2.22.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable-bom/2.23.0/confidence-slim/2.22.0)](https://docs.renovatebot.com/merge-confidence/) |

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### ⚠ Dependency Lookup Warnings ⚠

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

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### Release Notes

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

### [`v2.23.0`](https://togithub.com/googleapis/java-bigtable/blob/HEAD/CHANGELOG.md#&#8203;2230-httpsgithubcomgoogleapisjava-bigtablecomparev2220v2230-2023-05-09)

[Compare Source](https://togithub.com/googleapis/java-bigtable/compare/v2.22.0...v2.23.0)

##### Features

-   Resizing channel pool size based on the work load ([#&#8203;1271](https://togithub.com/googleapis/java-bigtable/issues/1271)) ([7fb1a09](https://togithub.com/googleapis/java-bigtable/commit/7fb1a09224e1ea05cfec6eb35deaba670d1d82d2))

##### Documentation

-   Clean up BetaApi annotations from built in metrics API ([#&#8203;1741](https://togithub.com/googleapis/java-bigtable/issues/1741)) ([c2fbd04](https://togithub.com/googleapis/java-bigtable/commit/c2fbd04eb64ddcfe7ea0f234f22d0691094646a4))

</details>

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Author: renovate-bot

google-cloud-bom/pom.xml

@@ -186,7 +186,7 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigtable-bom</artifactId>
-        <version>2.22.0</version>
+        <version>2.23.0</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>