Set up publishing to JetBrains marketplace

[matifali]

[matifali]

@fioan89 Let us close this after testing an automated release from our release workflow.

[fioan89]

v0.1.1 was published using the release workflow, so I think we can close this.

https://github.com/coder/coder-jetbrains-toolbox/actions/runs/14244264703/job/39921144057