[release/8.0] Install .NET 8 before running Publish Using Darc (#16266)

Author: dkurepa

eng/common/templates-official/job/publish-build-assets.yml

@@ -152,6 +152,11 @@ jobs:
           BARBuildId: ${{ parameters.BARBuildId }}
           PromoteToChannelIds: ${{ parameters.PromoteToChannelIds }}
 
+      # Darc is targeting 8.0, so make sure it's installed
+      - task: UseDotNet@2
+        inputs:
+          version: 8.0.x
+
       - task: AzureCLI@2
         displayName: Publish Using Darc
         inputs:

eng/common/templates-official/post-build/post-build.yml

@@ -271,6 +271,11 @@ stages:
 
         - task: NuGetAuthenticate@1
 
+        # Darc is targeting 8.0, so make sure it's installed
+        - task: UseDotNet@2
+          inputs:
+            version: 8.0.x
+
         - task: AzureCLI@2
           displayName: Publish Using Darc
           inputs:

eng/common/templates/job/publish-build-assets.yml

@@ -148,6 +148,11 @@ jobs:
           BARBuildId: ${{ parameters.BARBuildId }}
           PromoteToChannelIds: ${{ parameters.PromoteToChannelIds }}
 
+      # Darc is targeting 8.0, so make sure it's installed
+      - task: UseDotNet@2
+        inputs:
+          version: 8.0.x
+
       - task: AzureCLI@2
         displayName: Publish Using Darc
         inputs:

eng/common/templates/post-build/post-build.yml

@@ -267,6 +267,11 @@ stages:
 
         - task: NuGetAuthenticate@1
 
+        # Darc is targeting 8.0, so make sure it's installed
+        - task: UseDotNet@2
+          inputs:
+            version: 8.0.x
+
         - task: AzureCLI@2
           displayName: Publish Using Darc
           inputs: