Revert [exporter/alibabacloudlogservice] mark component unmainained (open-telemetry#31695)

Ref open-telemetry#29868 ，open-telemetry#29721

Author: qiansheng91

exporter/alibabacloudlogserviceexporter/README.md

@@ -3,12 +3,12 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [unmaintained]: traces, metrics, logs   |
+| Stability     | [beta]: traces, metrics, logs   |
 | Distributions | [contrib], [observiq] |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aexporter%2Falibabacloudlogservice%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aexporter%2Falibabacloudlogservice) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aexporter%2Falibabacloudlogservice%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aexporter%2Falibabacloudlogservice) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@shabicheng](https://www.github.com/shabicheng), [@kongluoxing](https://www.github.com/kongluoxing), [@qiansheng91](https://www.github.com/qiansheng91) |
 
-[unmaintained]: https://github.com/open-telemetry/opentelemetry-collector#unmaintained
+[beta]: https://github.com/open-telemetry/opentelemetry-collector#beta
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 [observiq]: https://github.com/observIQ/observiq-otel-collector
 <!-- end autogenerated section -->

exporter/alibabacloudlogserviceexporter/internal/metadata/generated_status.go

@@ -4,7 +4,7 @@ scope_name: otelcol/alibabacloudlogservice
 status:
   class: exporter
   stability:
-    unmaintained: [traces, metrics, logs]
+    beta: [traces, metrics, logs]
   distributions: [contrib, observiq]
   codeowners:
     active: [shabicheng, kongluoxing, qiansheng91]