ci: Move docs to staged build

.vsts-ci-docs.yml

@@ -15,22 +15,8 @@ pr:
       - feature/*
 
 variables:
-  windowsScaledPool: 'Windows2022-20220925-1'
+  windowsScaledPool: 'Windows2022-20230613'
   linuxVMImage: 'ubuntu-latest'
 
-jobs:
-- template: build/ci/.azure-devops-commitsar.yml
-  parameters:
-    vmImage: '$(linuxVMImage)'
-
-- template: build/ci/.azure-devops-spell-check.yml
-  parameters:
-    vmImage: '$(linuxVMImage)'
-
-- template: build/ci/.azure-devops-pipeline-validations.yml
-  parameters:
-    vmImage: '$(linuxVMImage)'
-
-- template: build/ci/.azure-devops-docs.yml
-  parameters:
-    poolName: '$(windowsScaledPool)'
+stages:
+- template: build/ci/.azure-devops-stages-docs.yml

build/ci/.azure-devops-stages-docs.yml

@@ -0,0 +1,25 @@
+
+stages:
+- stage: Setup
+  displayName: Setup
+  jobs:
+  - template: .azure-devops-commitsar.yml
+    parameters:
+      vmImage: '$(linuxVMImage)'
+
+  - template: .azure-devops-spell-check.yml
+    parameters:
+      vmImage: '$(linuxVMImage)'
+
+  - template: .azure-devops-pipeline-validations.yml
+    parameters:
+      vmImage: '$(linuxVMImage)'
+
+- stage: Docs Generation
+  displayName: Docs Generation
+  dependsOn: Setup
+  jobs:
+
+- template: build/ci/.azure-devops-docs.yml
+  parameters:
+    poolName: '$(windowsScaledPool)'