Deprecate azure-resourcemanager-trustedsigning and standardize notice metadata (#49387)

* Add trustedsigning deprecation notices

Co-authored-by: weidongxu-microsoft <53292327+weidongxu-microsoft@users.noreply.github.com>

* Adjust trustedsigning deprecation date format and version

Co-authored-by: weidongxu-microsoft <53292327+weidongxu-microsoft@users.noreply.github.com>

* Correct trustedsigning version back to beta.2

Co-authored-by: weidongxu-microsoft <53292327+weidongxu-microsoft@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: weidongxu-microsoft <53292327+weidongxu-microsoft@users.noreply.github.com>

Author: Copilot

sdk/trustedsigning/azure-resourcemanager-trustedsigning/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## 1.0.0-beta.2 (Unreleased)
 
+- Please note, this package has been deprecated and will no longer be maintained after 2026-02-10. We encourage you to upgrade to the replacement package, azure-resourcemanager-artifactsigning, to continue receiving updates. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.
+
 - Azure Resource Manager Trusted Signing client library for Java. This package contains Microsoft Azure SDK for Trusted Signing Management SDK. Code Signing resource provider api. Package api-version 2025-10-13. For documentation on how to use this package, please see [Azure Management Libraries for Java](https://aka.ms/azsdk/java/mgmt).
 
 ### Breaking Changes

sdk/trustedsigning/azure-resourcemanager-trustedsigning/README.md

@@ -1,5 +1,9 @@
 # Azure Resource Manager Trusted Signing client library for Java
 
+**Deprecation Notice**
+
+Please note, this package has been deprecated and will no longer be maintained after 2026-02-10. We encourage you to upgrade to the replacement package, azure-resourcemanager-artifactsigning, to continue receiving updates. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.
+
 Azure Resource Manager Trusted Signing client library for Java.
 
 This package contains Microsoft Azure SDK for Trusted Signing Management SDK. Code Signing resource provider api. Package api-version 2025-10-13. For documentation on how to use this package, please see [Azure Management Libraries for Java](https://aka.ms/azsdk/java/mgmt).
@@ -32,7 +36,7 @@ Various documentation is available to help you get started
 <dependency>
     <groupId>com.azure.resourcemanager</groupId>
     <artifactId>azure-resourcemanager-trustedsigning</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.0-beta.2</version>
 </dependency>
 ```
 [//]: # ({x-version-update-end})

sdk/trustedsigning/azure-resourcemanager-trustedsigning/pom.xml

@@ -18,7 +18,7 @@
   <packaging>jar</packaging>
 
   <name>Microsoft Azure SDK for Trusted Signing Management</name>
-  <description>This package contains Microsoft Azure SDK for Trusted Signing Management SDK. For documentation on how to use this package, please see https://aka.ms/azsdk/java/mgmt. Code Signing resource provider api. Package api-version 2025-10-13.</description>
+  <description>Please note, this package has been deprecated and will no longer be maintained after 2026-02-10. We encourage you to upgrade to the replacement package, azure-resourcemanager-artifactsigning, to continue receiving updates. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details. This package contains Microsoft Azure SDK for Trusted Signing Management SDK. For documentation on how to use this package, please see https://aka.ms/azsdk/java/mgmt. Code Signing resource provider api. Package api-version 2025-10-13.</description>
   <url>https://github.com/Azure/azure-sdk-for-java</url>
 
   <licenses>