Use the new CLI

Author: mcasperson

.github/workflows/dotnetcore.yml

@@ -59,6 +59,12 @@ jobs:
         fail-on-error: 'false'
     - name: Publish
       run: dotnet publish --configuration Release /p:AssemblyVersion=${{ steps.determine_version.outputs.assemblySemVer }}
+      
+    - name: Install Octopus CLI 🐙
+      uses: OctopusDeploy/install-octopus-cli-action@v3
+      with:
+        version: 'latest'
+        
     - id: package
       name: Package
       run: |
@@ -87,11 +93,10 @@ jobs:
           parentdir=$(builtin cd $dir; pwd)
           projectname=${parentdir##*/}
           # Package the published files.
-          octo pack \
-          --basePath ${path} \
+          octopus package zip create \
+          --base-path ${path} \
           --id ${projectname} \
           --version ${{ steps.determine_version.outputs.semVer }} \
-          --format zip \
           --overwrite
           packages=(${packages[@]} "${projectname}.${{ steps.determine_version.outputs.semVer }}.zip")
           versions=(${versions[@]} "${projectname}:${{ steps.determine_version.outputs.semVer }}")