chore: Bump software.amazon.awssdk:rds from 2.17.191 to 2.20.153

Bumps software.amazon.awssdk:rds from 2.17.191 to 2.20.153.

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

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

build.gradle.kts

@@ -260,7 +260,7 @@ tasks.withType<Checkstyle>().configureEach {
 
 dependencies {
     testImplementation("org.apache.commons:commons-dbcp2:2.9.0")
-    testImplementation("software.amazon.awssdk:rds:2.17.191")
+    testImplementation("software.amazon.awssdk:rds:2.20.153")
     testImplementation("software.amazon.awssdk:ec2:2.17.191")
     testImplementation("org.junit.jupiter:junit-jupiter-api:5.8.2")
     testImplementation("org.junit.jupiter:junit-jupiter-engine:5.9.2")
@@ -279,7 +279,7 @@ dependencies {
     testImplementation("com.zaxxer:HikariCP:4.0.3")
     testImplementation("software.amazon.awssdk:secretsmanager:2.17.191")
 
-    implementation("software.amazon.awssdk:rds:2.17.191")
+    implementation("software.amazon.awssdk:rds:2.20.153")
     implementation("com.google.protobuf:protobuf-java:3.19.1")
     implementation("com.mchange:c3p0:0.9.5.5")
     implementation("org.javassist:javassist:3.28.0-GA")