[receiver/hostmetrics] enable feature gate `receiver.hostmetrics.norm…

…alizeProcessCPUUtilization` (open-telemetry#32502)

**Description:**

Switches the `receiver.hostmetrics.normalizeProcessCPUUtilization`
feature gate to Beta, making it enabled by default.
This is according to schedule described in the
[docs](https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/v0.98.0/receiver/hostmetricsreceiver/README.md#feature-gates).

**Link to tracking Issue:**

-
open-telemetry#31368

Co-authored-by: Pablo Baeyens <[email protected]>

.chloggen/normalize-process-cpu-feature-beta.yaml

@@ -0,0 +1,30 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: breaking
+
+# The name of the component, or a single word describing the area of concern, (e.g. filelogreceiver)
+component: receiver/hostmetrics
+
+# A brief description of the change. Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: enable feature gate `receiver.hostmetrics.normalizeProcessCPUUtilization`
+
+# Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
+issues: [31368]
+
+# (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: |
+ This changes the value of the metric `process.cpu.utilization` by dividing it by the number of CPU cores.
+ For example, if a process is using 2 CPU cores on a 16-core machine,
+ the value of this metric was previously `2`, but now it will be `0.125`.
+
+# 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: []

receiver/hostmetricsreceiver/internal/scraper/processscraper/ucal/cpu_utilization_calculator.go

@@ -13,7 +13,7 @@ import (
 
 var normalizeProcessCPUUtilizationFeatureGate = featuregate.GlobalRegistry().MustRegister(
  "receiver.hostmetrics.normalizeProcessCPUUtilization",
- featuregate.StageAlpha,
+ featuregate.StageBeta,
  featuregate.WithRegisterDescription("When enabled, normalizes the process.cpu.utilization metric onto the interval [0-1] by dividing the value by the number of logical processors."),
  featuregate.WithRegisterFromVersion("v0.97.0"),
  featuregate.WithRegisterReferenceURL("https://github.com/open-telemetry/opentelemetry-collector-contrib/issues/31368"),