Try another fix.

Author: sean-mcmanus

Build/cg/cg.yml

@@ -107,7 +107,7 @@ extends:
               fi
           retryCountOnTaskFailure: 3
 
-        - script: npm install --no-save --ignore-scripts=false @vscode/vsce@3.7.1
+        - script: npm install --no-save --ignore-scripts=false --include=optional @vscode/vsce@3.7.1
           displayName: Install vsce
           workingDirectory: $(Build.SourcesDirectory)\Extension
 

Build/package/jobs_package_vsix.yml

@@ -59,7 +59,7 @@ jobs:
   - script: mkdir $(Build.ArtifactStagingDirectory)\vsix
     displayName: Create Staging Directory
 
-  - script: npm install --no-save --ignore-scripts=false @vscode/vsce@3.7.1
+  - script: npm install --no-save --ignore-scripts=false --include=optional @vscode/vsce@3.7.1
     displayName: Install vsce
     workingDirectory: $(Build.SourcesDirectory)\${{ parameters.srcDir }}
 

Build/publish/jobs_publish_vsix.yml

@@ -31,7 +31,7 @@ jobs:
         $aadToken = az account get-access-token --query accessToken --resource $(AzureGuid) -o tsv
         Write-Host "##vso[task.setvariable variable=AAD_TOKEN;issecret=true]$aadToken"
 
-  - script: npm install --no-save --ignore-scripts=false @vscode/vsce@3.7.1
+  - script: npm install --no-save --ignore-scripts=false --include=optional @vscode/vsce@3.7.1
     displayName: Install vsce
 
   - script: npx vsce publish --skip-duplicate -i $(Build.StagingDirectory)\vsix\${{ parameters.vsixName }}.vsix --manifestPath $(Build.StagingDirectory)\vsix\${{ parameters.vsixName }}.manifest --signaturePath $(Build.StagingDirectory)\vsix\${{ parameters.vsixName }}.signature.p7s