daggerverse-preview workflow

[desert python]

It doesn't work for various reasons...
https://github.com/check-spelling-sandbox/dagger/actions/workflows/daggerverse-preview.gen.yml?query=is%3Afailure

1. it is missing a fallback for the workflow_dispatch case (even though this is an event configured in the workflow): https://github.com/check-spelling-sandbox/dagger/commit/1c322fb51fc36f97e0f3aec27b3e4724b1a2b01b

2. 🤷‍♂️ i have no idea how to get it to yield anything better than Error: GET https://api.github.com/user: 403 Resource not accessible by integration [] which is definitely not a helpful message.

[astral zephyr]

cc @warm fable @spiral vortex

[warm fable]

the daggerverse-preview is an internal workflow as part of our releasing process: https://github.com/dagger/dagger/blob/2b4cc3b2ad741004c6f6550cf6482f14f264eead/RELEASING.md?plain=1#L189-L195

this workflow needs to be run on the dagger/dagger repo directly.

[desert python]

Then it really should have an if: to enforce that -- the other workflows sometimes do...