docs(changelog): Add OpenTelemetry BOM usage snippets

Document the common Spring Boot Gradle plugin setup first, then native Gradle and Maven usage.

This gives release note readers enough guidance to import the new BOM without opening the module README.

Co-Authored-By: Claude <noreply@anthropic.com>

Author: adinauer

CHANGELOG.md

@@ -5,6 +5,28 @@
 ### Features
 
 - Add `io.sentry:sentry-opentelemetry-bom` to align Sentry OpenTelemetry modules with tested OpenTelemetry dependencies ([#5629](https://github.com/getsentry/sentry-java/pull/5629))
+  - Spring Boot Gradle plugin: add the Sentry BOM to `dependencyManagement`; explicit imports are applied after Spring Boot's implicit BOM
+    ```kotlin
+    dependencyManagement {
+      imports {
+        mavenBom("io.sentry:sentry-opentelemetry-bom:<sentry-version>")
+      }
+    }
+    ```
+  - Gradle: import it as a platform and omit versions from Sentry OpenTelemetry and OpenTelemetry dependencies
+    ```kotlin
+    implementation(platform("io.sentry:sentry-opentelemetry-bom:<sentry-version>"))
+    ```
+  - Maven: import it before Spring Boot's BOM in the same `<dependencyManagement>` block, or in the child POM when using `spring-boot-starter-parent`
+    ```xml
+    <dependency>
+      <groupId>io.sentry</groupId>
+      <artifactId>sentry-opentelemetry-bom</artifactId>
+      <version>${sentry.version}</version>
+      <type>pom</type>
+      <scope>import</scope>
+    </dependency>
+    ```
 
 ## 8.45.0