[receiver/dotnetdiagnostics] Change status to unmaintained

.github/ALLOWLIST

@@ -31,4 +31,5 @@ pkg/experimentalmetricmetadata
 pkg/translator/prometheusremotewrite
 processor/deltatorateprocessor
 processor/metricsgenerationprocessor
+receiver/dotnetdiagnosticsreceiver
 testbed

.github/CODEOWNERS

@@ -142,7 +142,6 @@ receiver/cloudfoundryreceiver/                       @open-telemetry/collector-c
 receiver/collectdreceiver/                           @open-telemetry/collector-contrib-approvers @owais
 receiver/couchdbreceiver/                            @open-telemetry/collector-contrib-approvers @djaglowski
 receiver/dockerstatsreceiver/                        @open-telemetry/collector-contrib-approvers @rmfitzpatrick
-receiver/dotnetdiagnosticsreceiver/                  @open-telemetry/collector-contrib-approvers @davmason
 receiver/elasticsearchreceiver/                      @open-telemetry/collector-contrib-approvers @djaglowski @binaryfissiongames
 receiver/expvarreceiver/                             @open-telemetry/collector-contrib-approvers @jamesmoessis @MovieStoreGuy
 receiver/filelogreceiver/                            @open-telemetry/collector-contrib-approvers @djaglowski

receiver/dotnetdiagnosticsreceiver/README.md

@@ -1,10 +1,10 @@
 ## Dotnet Diagnostics Receiver
 
-| Status                   |            |
-| ------------------------ |------------|
-| Stability                | [alpha]    |
-| Supported pipeline types | metrics    |
-| Distributions            | [contrib]  |
+| Status                   |                |
+| ------------------------ |----------------|
+| Stability                | [unmaintained] |
+| Supported pipeline types | metrics        |
+| Distributions            | [contrib]      |
 
 This receiver provides a capability similar to the
 [dotnet-counters](https://docs.microsoft.com/en-us/dotnet/core/diagnostics/dotnet-counters)
@@ -106,15 +106,11 @@ service:
 This receiver is compatible with .NET Core 3.0 and later versions, running on Linux or
 macOS. Windows is not yet supported.
 
-#### Current Status
-
-This receiver is _beta_. It has been tested on macOS and Linux with .NET v3.1.
-
 #### External Resources
 
 https://github.com/dotnet/diagnostics/blob/master/documentation/design-docs/ipc-protocol.md
 
 https://github.com/Microsoft/perfview/blob/main/src/TraceEvent/EventPipe/EventPipeFormat.md
 
-[alpha]: https://github.com/open-telemetry/opentelemetry-collector#alpha
+[unmaintained]: https://github.com/open-telemetry/opentelemetry-collector#unmaintained
 [contrib]: https://github.com/open-telemetry/opentelemetry-collector-releases/tree/main/distributions/otelcol-contrib

unreleased/unmaintained-dotnetdiagnostics.yaml

@@ -0,0 +1,16 @@
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: deprecation
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: dotnetdiagnosticsreceiver
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Change status to unmaintained
+
+# One or more tracking issues related to the change
+issues: [12757]
+
+# (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: