Fix build pipeline: Rename service connection from dotnet -> public and update public pool name (#1115)

azure-pipelines-e2e-tests-template.yml

@@ -24,7 +24,7 @@ stages:
         ${{ else }}:
           pool:
             ${{ if or(eq(variables['System.TeamProject'], 'public'), in(variables['Build.Reason'], 'PullRequest')) }}:
-              name: NetCore1ESPool-Public
+              name: NetCore-Public
               demands: ImageOverride -equals Build.Ubuntu.1804.Amd64.Open
             ${{ if and(ne(variables['System.TeamProject'], 'public'), notin(variables['Build.Reason'], 'PullRequest')) }}:
               name: NetCore1ESPool-Internal

azure-pipelines.yml

@@ -46,7 +46,7 @@ resources:
   repositories:
   - repository: forwardCompatibleRelease
     type: github
-    endpoint: dotnet
+    endpoint: public
     name: dotnet/spark
     ref: refs/tags/v$(forwardCompatibleRelease)