[processor/transform] Promote to Beta (open-telemetry#39928)

#### Description

The Transform Processor has been a well-received part of the collector
for several years now. Its functionality (especially the end-user facing
parts) have been well tested and change infrequently.

#### Link to tracking issue

Closes
open-telemetry#28644

Author: TylerHelmuth

.chloggen/transformprocessor-beta.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: processor/transform
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: The transformprocessor is now officially considered Beta stability
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [39928]
+
+# (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: []

processor/transformprocessor/README.md

@@ -2,15 +2,17 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [alpha]: traces, metrics, logs   |
+| Stability     | [development]: profiles   |
+|               | [beta]: traces, metrics, logs   |
 | Distributions | [contrib], [k8s] |
 | Warnings      | [Unsound Transformations, Identity Conflict, Orphaned Telemetry, Other](#warnings) |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aprocessor%2Ftransform%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aprocessor%2Ftransform) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aprocessor%2Ftransform%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aprocessor%2Ftransform) |
 | Code coverage | [![codecov](https://codecov.io/github/open-telemetry/opentelemetry-collector-contrib/graph/main/badge.svg?component=processor_transform)](https://app.codecov.io/gh/open-telemetry/opentelemetry-collector-contrib/tree/main/?components%5B0%5D=processor_transform&displayType=list) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@TylerHelmuth](https://www.github.com/TylerHelmuth), [@evan-bradley](https://www.github.com/evan-bradley), [@edmocosta](https://www.github.com/edmocosta) \| Seeking more code owners! |
 | Emeritus      | [@anuraaga](https://www.github.com/anuraaga), [@kentquirk](https://www.github.com/kentquirk), [@bogdandrutu](https://www.github.com/bogdandrutu) |
 
-[alpha]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#alpha
+[development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development
+[beta]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#beta
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib
 [k8s]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-k8s
 <!-- end autogenerated section -->

processor/transformprocessor/internal/metadata/generated_status.go

@@ -3,7 +3,8 @@ type: transform
 status:
   class: processor
   stability:
-    alpha: [traces, metrics, logs]
+    development: [profiles]
+    beta: [traces, metrics, logs]
   distributions: [contrib, k8s]
   warnings: [Unsound Transformations, Identity Conflict, Orphaned Telemetry, Other]
   codeowners: