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

… distributions

Closes open-telemetry#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/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]