Upgrade metrics-server helm charts version from 3.11.0 to 3.12.0
and metrics-server image version from 0.6.4 to 0.7.0.
The new version supports k8s 1.24 - 1.29.
Furthermore, the name of the example application, which was in
the singular, and the readme, which was inconsistent, were corrected.
Test Plan:
PASS: Build package
PASS: App upload/apply/update/remove/delete
PASS: Check application version
PASS: Run sample application
Story: 2010681
Task: 49567
Change-Id: Ie592c03147b3cf40e9eeb631c18725d25460becf
Signed-off-by: Erickson Silva de Oliveira <Erickson.SilvadeOliveira@windriver.com>
f191346f95