update pr template to include changelog section (#11440)

* update pr template to include changelog section

* add breaking change evaluation process doc

* add breaking change evaluation process for workflow bot

* improve wording

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +1,27 @@
 <i>MSFT employees can try out our new experience at <b>[OpenAPI Hub](https://aka.ms/openapiportal) </b> - one location for using our validation tools and finding your workflow. 
 </i>
 
+### Changelog
+Please ensure to add changelog with this PR by answering the following questions.
+  1. What's the purpose of the update?    
+      - [ ] new service onboarding 
+      - [ ] new API version 
+      - [ ] update existing version for new feature 
+      - [ ] update existing version to fix swagger quality issue in s360
+      - [ ] Other, please clarify 
+  2. When you are targeting to deploy new service/feature to public regions? Please provide date, or month to public if date is not available yet.
+  3. When you expect to publish swagger? Please provide date, or month to public if date is not available yet.
+  4. If it's an update to existing version,  please select SDKs of specific language and CLIs that require refresh after swagger is published.
+      - [ ] SDK of .NET (need service team to ensure code readiness)
+      - [ ] SDK of Python
+      - [ ] SDK of Java
+      - [ ] SDK of Js
+      - [ ] SDK of Go
+      - [ ] PowerShell
+      - [ ] CLI
+      - [ ] Terraform
+      - [ ] No, no need to refresh for updates in this PR
+
 ### Contribution checklist:
 - [ ] I commit to follow the [Breaking Change Policy](http://aka.ms/bcforapi) of “no breaking changes
 - [ ] I have reviewed the [documentation](https://aka.ms/ameonboard) for the workflow.
@@ -27,4 +48,6 @@ If there are following updates in the PR, ensure to request an approval from API
 - [ ] Updating API in stable version with Breaking Change Validation errors
 - [ ] Updating API(s) in preview over 1 year
 
+To initiate an evaluation of the breaking change, create a new intake using the [template for breaking changes](https://msazure.visualstudio.com/One/_workitems/create/Scenario?templateId=d1c215ec-5d6a-4cb3-a193-95ddd0a1ba96&ownerId=85bb92fb-21fe-41ca-9309-47f2c5f57515). Addition details on the process and office hours are on the [Breaking change Wiki](https://dev.azure.com/msazure/AzureWiki/_wiki/wikis/AzureWiki.wiki/37684/Breaking-Changes).
+
 Please follow the link to find more details on [PR review process](https://aka.ms/SwaggerPRReview).

.github/comment.yml

@@ -17,7 +17,7 @@
 - rule:
     type: label
     label: BreakingChangeReviewRequired
-    onLabeledComments: "Hi @${PRAuthor}, one or multiple breaking change(s) is detected in your PR. Please check out the breaking change(s), and provide business justification in the PR comment and @ PR assignee why you must have these change(s), and how external customer impact can be mitigated. Please ensure to follow [breaking change policy](https://aka.ms/AzBreakingChangesPolicy) to request breaking change review and approval before proceeding swagger PR review. </br> If you think it is false positive breaking change, please provide the reasons in the PR comment, report to Swagger Tooling Team via https://aka.ma/swaggerfeedback. "
+    onLabeledComments: "Hi @${PRAuthor}, one or multiple breaking change(s) is detected in your PR. Please check out the breaking change(s), and provide business justification in the PR comment and @ PR assignee why you must have these change(s), and how external customer impact can be mitigated. Please ensure to follow [breaking change policy](https://aka.ms/AzBreakingChangesPolicy) to request breaking change review and approval before proceeding swagger PR review. </br>**Action**: To initiate an evaluation of the breaking change, create a new intake using the [template for breaking changes](https://msazure.visualstudio.com/One/_workitems/create/Scenario?templateId=d1c215ec-5d6a-4cb3-a193-95ddd0a1ba96&ownerId=85bb92fb-21fe-41ca-9309-47f2c5f57515). Addition details on the process and office hours are on the [Breaking change Wiki](https://dev.azure.com/msazure/AzureWiki/_wiki/wikis/AzureWiki.wiki/37684/Breaking-Changes).</br> If you think it is false positive breaking change, please provide the reasons in the PR comment, report to Swagger Tooling Team via https://aka.ma/swaggerfeedback."
 
 - rule:
     type: label