Bump software.amazon.awssdk:dynamodb from 2.29.20 to 2.30.4

Bumps software.amazon.awssdk:dynamodb from 2.29.20 to 2.30.4.

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

Signed-off-by: dependabot[bot] <support@github.com>

build.gradle.kts

@@ -20,7 +20,7 @@ dependencies {
   implementation("com.google.guava:guava:33.3.1-jre")
 
   implementation("software.amazon.awssdk:redshiftdata:2.29.20")
-  implementation("software.amazon.awssdk:dynamodb:2.29.20")
+  implementation("software.amazon.awssdk:dynamodb:2.30.4")
 
   // Testing
   testImplementation("org.mockito.kotlin:mockito-kotlin:5.4.0")