FabricBot: Onboarding to GitOps.ResourceManagement because of FabricB…

…ot decommissioning (#510)

* Add prIssueManagement.yml to onboard repo to GitOps.ResourceManagement as FabricBot replacement

 Details on the replacement service and the syntax of the new yaml configuration file is available publicly at: https://microsoft.github.io/GitOps/policies/resource-management.html

Please review and merge this PR to complete the process of onboarding to the new service.

* Deleting fabricbot.json

---------

Co-authored-by: dotnet-policy-service[bot] <123482357+dotnet-policy-service[bot]@users.noreply.github.com>

.github/policies/resourceManagement.yml

@@ -0,0 +1,18 @@
+id: 
+name: GitOps.PullRequestIssueManagement
+description: GitOps.PullRequestIssueManagement primitive
+owner: 
+resource: repository
+disabled: false
+where: 
+configuration:
+  resourceManagementConfiguration:
+    scheduledSearches: []
+    eventResponderTasks:
+    - if:
+      - payloadType: Issues
+      then:
+      - lockIssue
+      description: Lock new issues
+onFailure: 
+onSuccess: