docs: Add new MongoDB Atlas features to what's new

Signed-off-by: Thomas Vitale <ThomasVitale@users.noreply.github.com>

Author: ThomasVitale

docs/modules/ROOT/pages/upgrading-arconia.adoc

@@ -87,6 +87,12 @@ Using the https://docs.openrewrite.org[OpenRewrite Maven Plugin], you can apply
 
 If you prefer to upgrade manually, you can bump the version of the `arconia-bom` in your project to {page-component-version}.
 
-Then, follow these additional steps:
+Then, check these additional changes that you might need to apply to your project.
 
-* If you're using the OpenTelemetry Logback Bridge, rename the `arconia.otel.logs.logback-bridge.capture-logstash-attributes` configuration property to `arconia.otel.logs.logback-bridge.capture-logstash-marker-attributes`.
+=== Dev Services
+
+* The package for the MongoDB Atlas Dev Service module changed from `io.arconia.dev.services.mongodb` to `io.arconia.dev.services.mongodb.atlas`. That impacts the `MongoDbAtlasDevServicesAutoConfiguration` and `MongoDbAtlasDevServicesProperties` classes.
+
+=== OpenTelemetry
+
+* In the OpenTelemetry Logback Bridge module, the `arconia.otel.logs.logback-bridge.capture-logstash-attributes` configuration property has been renamed to `arconia.otel.logs.logback-bridge.capture-logstash-marker-attributes`.

docs/modules/ROOT/pages/what-is-new.adoc

@@ -9,6 +9,11 @@ We provide an automated way to upgrade your project to the latest version of Arc
 
 * The experimental `HostInfo` class has been removed. Use the `OsInfo` class from Spring Boot to obtain operating system information or Java's `InetAddress.getLocalHost().getHostName()` to get the hostname.
 
+== Dev Services
+
+* The MongoDB Atlas Dev Service was supported only with Spring AI. It is now also supported with Spring Data MongoDB and Spring Session MongoDB.
+* The package for the MongoDB Atlas Dev Service module changed from `io.arconia.dev.services.mongodb` to `io.arconia.dev.services.mongodb.atlas`.
+
 == OpenTelemetry
 
 * OTLP exporters for logs, metrics, and traces now support setting a retry policy via configuration properties. This allows you to configure the number of retry attempts, the initial backoff duration, the maximum backoff duration, and the backoff multiplier for retrying failed export attempts. You can specify these settings globally (`arconia.otel.exporter.otlp.retry`) or for each observability signal individually (`arconia.otel.<signal>.exporter.otlp.retry`).