[processor/interval] Update to alpha stability and add to contrib/k8s…

… distributions (#36886)

#### Description

As the title describes, the upgrades interval processor to alpha
stability, and adds it to the `contrib` and `k8s` distributions

#### Link to tracking issue
Closes
[36514](#36514)

.chloggen/add-interval-processor-to-dist.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: "new_component"
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: intervalprocessor
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Interval Processor is now Alpha stability and is added to the `contrib` and `k8s` distributions
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [36514]
+
+# (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: [user]

processor/intervalprocessor/README.md

@@ -3,13 +3,15 @@
 <!-- status autogenerated section -->
 | Status        |           |
 | ------------- |-----------|
-| Stability     | [development]: metrics   |
-| Distributions | [] |
+| Stability     | [alpha]: metrics   |
+| Distributions | [contrib], [k8s] |
 | Warnings      | [Statefulness](#warnings) |
 | Issues        | [![Open issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aopen%20label%3Aprocessor%2Finterval%20&label=open&color=orange&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aopen+is%3Aissue+label%3Aprocessor%2Finterval) [![Closed issues](https://img.shields.io/github/issues-search/open-telemetry/opentelemetry-collector-contrib?query=is%3Aissue%20is%3Aclosed%20label%3Aprocessor%2Finterval%20&label=closed&color=blue&logo=opentelemetry)](https://github.com/open-telemetry/opentelemetry-collector-contrib/issues?q=is%3Aclosed+is%3Aissue+label%3Aprocessor%2Finterval) |
 | [Code Owners](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/main/CONTRIBUTING.md#becoming-a-code-owner)    | [@RichieSams](https://www.github.com/RichieSams), [@sh0rez](https://www.github.com/sh0rez) |
 
-[development]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#development
+[alpha]: https://github.com/open-telemetry/opentelemetry-collector/blob/main/docs/component-stability.md#alpha
+[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 -->
 
 ## Description

processor/intervalprocessor/metadata.yaml

@@ -3,8 +3,8 @@ type: interval
 status:
   class: processor
   stability:
-    development: [metrics]
-  distributions: []
+    alpha: [metrics]
+  distributions: [contrib, k8s]
   warnings: [Statefulness]
   codeowners:
     active: [RichieSams, sh0rez]

reports/distributions/contrib.yaml

@@ -91,6 +91,7 @@ components:
         - geoip
         - groupbyattrs
         - groupbytrace
+        - interval
         - k8sattributes
         - logdedup
         - metricsgeneration

reports/distributions/k8s.yaml

@@ -36,6 +36,7 @@ components:
         - filter
         - groupbyattrs
         - groupbytrace
+        - interval
         - k8sattributes
         - logdedup
         - metricstransform