List guild seasons

<Note> This endpoint is cached for <Badge intent="warning" minimal>10 minutes</Badge> in the <Badge intent="success" minimal>SHARED</Badge> cache source. See [Caching](/welcome#caching). <Indent></Indent> This endpoint belongs to the <Badge intent="warning" minimal>GUILD</Badge> rate-limit bucket. See [Throttling and Rate Limits](/welcome#throttling-and-rate-limits). </Note>

Only enabled seasons whose initDate is in the past are returned.

Use this endpoint to inspect public guild season rules, including SR gain values and reward thresholds.