Update changelog for v0.0.104

[devin-ai-integration]

Update changelog for v0.0.104

This PR updates the changelog for v0.0.104, which includes:

• Small tweaks around help and error dialog (Small tweaks around help and error dialog #227)
• Various fixes for devmode, error messaging, and agent handling (Better handling when you rename an agent and attempt to deploy #221, Add a more helpful error message when dev command cannot validate the project #222, Project Name uniqueness check should be within project not any project in the users org #223, Add error message for JS SDK breaking change #225, Fix regression in devmode input json using new binary protocol #228)
• Documentation updates (Update changelog for v0.0.103 #220)

Link to Devin run: https://app.devin.ai/sessions/118ff4e496bd49fc8bff49e5158e9e58

[devin-ai-integration]

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