Enable CI build on PowerLauncher Branch (#2181)

* Enable CI build on PowerLauncher Branch

* Updated Nuget restore to latest and added AssetTargetFallback property

.pipelines/ci/ci.yml

@@ -3,6 +3,7 @@ trigger:
   branches:
     include:
       - master
+      - dev/PowerLauncher
   paths:
     exclude:
       - doc/*
@@ -13,6 +14,7 @@ pr:
   branches:
     include:
       - master
+      - dev/PowerLauncher
 
 #     0.0.yyMM.dd##
 #     0.0.1904.0900

.pipelines/ci/templates/build-powertoys-steps.yml

@@ -7,9 +7,9 @@ steps:
   clean: true
 
 - task: NuGetToolInstaller@0
-  displayName: Ensure NuGet 4.8.1
+  displayName: Ensure NuGet 5.5.0
   inputs:
-    versionSpec: 4.8.1
+    versionSpec: 5.5.0
 
 - task: VisualStudioTestPlatformInstaller@1
   displayName: Ensure VSTest Platform