Use sparse checkout in build job (Azure#36119)

* Use sparse checkout in build job
* Update sourcelink to 8.0.0

Author: hallipr

eng/Packages.Data.props

@@ -235,7 +235,7 @@
     <PackageReference Update="Microsoft.DotNet.ApiCompat" Version="5.0.0-beta.20467.1" PrivateAssets="All" />
     <PackageReference Update="Microsoft.DotNet.GenAPI" Version="5.0.0-beta.19552.1" PrivateAssets="All" />
     <PackageReference Update="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
-    <PackageReference Update="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
     <PackageReference Update="SauceControl.InheritDoc" Version="1.2.0" PrivateAssets="All" />
     <PackageReference Update="StyleCop.Analyzers" Version="1.2.0-beta.333" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.CSharp" Version ="3.9.0" PrivateAssets="all" />

eng/pipelines/templates/jobs/ci.yml

@@ -60,8 +60,11 @@ jobs:
       SDKType: ${{ parameters.SDKType }}
 
     steps:
-      - checkout: self
-        fetchDepth: 0
+      - template: /eng/common/pipelines/templates/steps/sparse-checkout.yml
+        parameters:
+          Paths:
+            - "/*"
+            - "!SessionRecords"
       - template: /eng/pipelines/templates/steps/install-dotnet.yml
       - template: /eng/common/pipelines/templates/steps/set-test-pipeline-version.yml
         parameters: