chore(deps): bump kms from 2.17.292 to 2.18.8 (#1167)

Bumps kms from 2.17.292 to 2.18.8.

---
updated-dependencies:
- dependency-name: software.amazon.awssdk:kms
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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pom.xml

@@ -62,7 +62,7 @@
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>kms</artifactId>
-            <version>2.17.292</version>
+            <version>2.18.8</version>
             <optional>true</optional>
         </dependency>