Apply suggestions from code review

Author: eaidova

.ci/validation_config.py

@@ -4,7 +4,7 @@
 
 
 class ValidationMatrix:
-    os = ("ubuntu-22.04", "ubuntu-22.04", "windows-2019", "macos-13")
+    os = ("ubuntu-22.04", "windows-2019", "macos-13")
     python = ("3.9", "3.10", "3.11", "3.12")
     device = ("cpu", "gpu")
 

.github/workflows/install_requirements.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-22.04, ubuntu-22.04, windows-2019, windows-2022, macos-13]
+        os: [ubuntu-22.04, windows-2019, windows-2022, macos-13]
         python: ['3.9', '3.10', '3.11', '3.12']
     steps:
       - name: Checkout repository

.github/workflows/treon.yml

@@ -24,7 +24,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        runs_on: [ubuntu-22.04, ubuntu-22.04, windows-2019, macos-13]
+        runs_on: [ubuntu-22.04, windows-2019, macos-13]
         python: ['3.9', '3.10', '3.11', '3.12']
     uses: ./.github/workflows/build_treon_reusable.yml
     with:

selector/src/shared/notebook-status.ts

@@ -1,4 +1,4 @@
-type ValidatedOS = 'ubuntu-22.04' | 'ubuntu-22.04' | 'windows-2019' | 'macos-13';
+type ValidatedOS =  'ubuntu-22.04' | 'windows-2019' | 'macos-13';
 
 type ValidatedDevice = 'cpu' | 'gpu';