chore(deps): update dependency com.google.cloud:google-cloud-bigtable to v2.18.2 (#1599)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-bigtable](https://togithub.com/googleapis/java-bigtable) | `2.18.1` -> `2.18.2` | [![age](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.18.2/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.18.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.18.2/compatibility-slim/2.18.1)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/maven/com.google.cloud:google-cloud-bigtable/2.18.2/confidence-slim/2.18.1)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

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

### [`v2.18.2`](https://togithub.com/googleapis/java-bigtable/blob/HEAD/CHANGELOG.md#&#8203;2182-httpsgithubcomgoogleapisjava-bigtablecomparev2181v2182-2023-01-24)

[Compare Source](https://togithub.com/googleapis/java-bigtable/compare/v2.18.1...v2.18.2)

##### Dependencies

-   Update dependency com.google.cloud:google-cloud-monitoring-bom to v3.10.0 ([#&#8203;1597](https://togithub.com/googleapis/java-bigtable/issues/1597)) ([1724d4e](https://togithub.com/googleapis/java-bigtable/commit/1724d4ee6b63085b035082bd299668ceadd8bd01))
-   Update dependency com.google.cloud:google-cloud-shared-dependencies to v3.1.2 ([#&#8203;1595](https://togithub.com/googleapis/java-bigtable/issues/1595)) ([e466191](https://togithub.com/googleapis/java-bigtable/commit/e466191ef8562b767218dcd4811a271ec6e98257))

</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-bigtable</artifactId>
-  <version>2.18.1</version>
+  <version>2.18.2</version>
 </dependency>
 
 ```
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-bigtable'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-bigtable:2.18.1'
+implementation 'com.google.cloud:google-cloud-bigtable:2.18.2'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.18.1"
+libraryDependencies += "com.google.cloud" % "google-cloud-bigtable" % "2.18.2"
 ```
 
 ## Authentication

samples/install-without-bom/pom.xml

@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigtable</artifactId>
-      <version>2.18.1</version>
+      <version>2.18.2</version>
     </dependency>
     <!-- [END bigtable_install_without_bom] -->