ci: Fix cache-provider setting after refactor #240

1. 
   maflcko commented at 1:37 pm on September 23, 2025: contributor

   after https://github.com/bitcoin/bitcoin/pull/33302

   otherwise https://github.com/bitcoin-core/qa-assets/actions/runs/17551782599/job/51038313483#step:6:1:

   0Warning: Unexpected input(s) 'use-cirrus', valid inputs are ['cache-provider']
   

2. ci: Fix cache-provider setting after refactor 25281379a5
3. 
   fanquake commented at 1:37 pm on September 23, 2025: member

   cc @willcl-ark @m3dwards
4. maflcko merged this on Sep 23, 2025
5. maflcko closed this on Sep 23, 2025

   ---

Contributors
maflcko fanquake