Congrats.
You will need to fill out a CA state return. Even though you reside in FL, the money originated in CA.
How California taxes
residents, nonresidents, and part-year residents
- California residents - Taxed on ALL income,
including income from sources outside California.
- Nonresidents of California - Taxed only on income
from California sources.
- Part-year residents of California - Taxed on all
income received while a resident and only on income from California
sources while a nonresident.
https://www.ftb.ca.gov/individuals/filertn/nonresidents-part-year-residents.shtml#how_taxed