Sponsor outreach for Fall 2026

**Context**
Sponsor outreach for Fall 2026. Past sponsors + AZ tech ecosystem.

**Done looks like**
- $XX target in cash + in-kind sponsorships
- Sponsorship tier deck updated for Fall 2026
- 20+ companies contacted, 5+ confirmed by September

**Notes**
- AZ tech: Microchip, Honeywell, GoDaddy, Carvana, Axon
- Past sponsors get priority outreach
- Track in a sheet linked from this issue
