Update managed jupyter chart to 0.9.0 (stable)

See https://gitlab.com/gitlab-org/gitlab/-/issues/195843

app/models/clusters/applications/jupyter.rb

@@ -5,7 +5,7 @@ require 'securerandom'
 module Clusters
   module Applications
     class Jupyter < ApplicationRecord
-      VERSION = '0.9.0-beta.2'
+      VERSION = '0.9.0'
 
       self.table_name = 'clusters_applications_jupyter'
 

changelogs/unreleased/update-jupyter-to-0-9-0.yml

+---
+title: Update managed jupyter chart to 0.9.0 (stable)
+merge_request: 30393
+author:
+type: changed

spec/models/clusters/applications/jupyter_spec.rb

@@ -57,7 +57,7 @@ describe Clusters::Applications::Jupyter do
     it 'is initialized with 4 arguments' do
       expect(subject.name).to eq('jupyter')
       expect(subject.chart).to eq('jupyter/jupyterhub')
-      expect(subject.version).to eq('0.9.0-beta.2')
+      expect(subject.version).to eq('0.9.0')
 
       expect(subject).to be_rbac
       expect(subject.repository).to eq('https://jupyterhub.github.io/helm-chart/')
@@ -76,7 +76,7 @@ describe Clusters::Applications::Jupyter do
       let(:jupyter) { create(:clusters_applications_jupyter, :errored, version: '0.0.1') }
 
       it 'is initialized with the locked version' do
-        expect(subject.version).to eq('0.9.0-beta.2')
+        expect(subject.version).to eq('0.9.0')
       end
     end
   end