[exporter/datadog] Upgrade logs to beta (#35359)

Upgrade logs in datadog exporter to beta now that the Datadog Agent logs
pipeline is enabled by default.

**Link to tracking Issue:** <Issue number if applicable>

.chloggen/patch-2.yaml

@@ -0,0 +1,27 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: datadogexporter
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Upgrade logs in Datadog Exporter to beta
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [35359]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# If your change doesn't affect end users or the exported elements of any package,
+# you should instead start your pull request title with [chore] or use the "Skip Changelog" label.
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: []

exporter/datadogexporter/README.md

@@ -3,14 +3,12 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [alpha]: logs   |
-|               | [beta]: traces, metrics   |
+| Stability     | [beta]: traces, metrics, logs   |
 | Distributions | [contrib] |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aexporter%2Fdatadog%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aexporter%2Fdatadog) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aexporter%2Fdatadog%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aexporter%2Fdatadog) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@mx-psi](https://www.github.com/mx-psi), [@dineshg13](https://www.github.com/dineshg13), [@liustanley](https://www.github.com/liustanley), [@songy23](https://www.github.com/songy23), [@mackjmr](https://www.github.com/mackjmr), [@ankitpatel96](https://www.github.com/ankitpatel96) |
 | Emeritus      | [@gbbr](https://www.github.com/gbbr) |
 
-[alpha]: https://github.com/open-telemetry/opentelemetry-collector#alpha
 [beta]: https://github.com/open-telemetry/opentelemetry-collector#beta
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 <!-- end autogenerated section -->

exporter/datadogexporter/metadata.yaml

@@ -3,8 +3,7 @@ type: datadog
 status:
   class: exporter
   stability:
-    alpha: [logs]
-    beta: [traces, metrics]
+    beta: [traces, metrics, logs]
   distributions: [contrib]
   codeowners:
     active: [mx-psi, dineshg13, liustanley, songy23, mackjmr, ankitpatel96]