Do not accept task values for ‘package’ and ‘workflow’ on task.json file

[Yingzi1234]

Brief Issue Summary

More info:

1. This issue is reproduced on previous and latest pre-release versions, so it's not a regression issue
2. This issue is reproduced on Windows, Linux, and Mac platforms

Repro steps:

1. Download this folder test 4.zip and open it with VSCode
2. Click F1 to run command "Tasks: Configure task"
3. Choose the command "CMake: Package" and "CMake: workflow"

Expected result:
Successfully added valid “package” and “workflow” commands to the tasks.json file with no warnings

Actual result:
The “package” and “Workflow” commands have been successfully added to the tasks.json file, but a warning appears in the Problems window that reads: "Value is not accepted. Valid values: "build", "configure", "install", "test, "test", "clean","cleanRebuild"

CMake Tools Diagnostics

No response

Debug Log

No response

Additional Information

No response