Fixed inconsistent verbiage in titles across DevOps OSS hubs

Author: TomArcherMsft

articles/ansible/index.yml

@@ -1,8 +1,8 @@
 ### YamlMime:YamlDocument
 documentType: LandingData
-title: Ansible in Azure Documentation
+title: Ansible on Azure documentation
 metadata:
-  title: Ansible in Azure Documentation - Tutorials, samples, reference, and resources
+  title: Ansible on Azure documentation - Tutorials, samples, reference, and resources
   description: Learn how to use Ansible to automate cloud provisioning, configuration management, and application deployments.
   ms.service: ansible
   keywords: ansible, azure, devops, tutorials, samples, reference

articles/ansible/toc.yml

@@ -1,8 +1,8 @@
-- name: Ansible in Azure
+- name: Ansible on Azure documentation
   href: ./index.yml
 - name: Overview
   items:
-  - name: About Ansible in Azure
+  - name: About Ansible on Azure
     href: ./ansible-overview.md
 - name: Quickstarts
   expanded: true

articles/chef/index.yml

@@ -1,8 +1,8 @@
 ### YamlMime:YamlDocument
 documentType: LandingData
-title: Chef Software on Azure Documentation
+title: Chef Software on Azure documentation
 metadata:
-  title: Chef Software on Azure Documentation - Tutorials, samples, reference, and resources
+  title: Chef Software on Azure documentation - Tutorials, samples, reference, and resources
   description: Chef Software provides a DevOps automation platform for Linux and Windows that enables the management of both physical and virtual server configurations. Learn how to use Chef Software products to automate infrastructure as code (IaC) recipes and manage and deploy virtual machines on Azure with quickstarts and tutorials.
   ms.service: chef
   keywords: chef, azure, devops, tutorials, samples, reference

articles/chef/toc.yml

@@ -1,4 +1,4 @@
-- name: Chef Software on Azure Documentation
+- name: Chef Software on Azure documentation
   href: ./index.yml
 - name: Overview
   items:

articles/jenkins/index.yml

@@ -2,7 +2,7 @@
 documentType: LandingData
 title: Jenkins on Azure
 metadata:
-  title: Jenkins in Azure Documentation - Tutorials, samples, reference, and resources
+  title: Jenkins on Azure Documentation - Tutorials, samples, reference, and resources
   description: Deploy and integrate Jenkins with Azure 
   ms.service: jenkins
   keywords: jenkins, azure, devops, tutorials, samples, reference