introduce ELIGIBLE_FOR_FF flag on Spends via policy class #1225

Job	Run time
sdist - Ubuntu 3.8 Intel	15s
build chia-tools	51s
Wheel - macOS 3.8 ARM	45s
Wheel - macOS 3.8 Intel	1m 55s
clippy	1m 52s
Check chia_rs.pyi	7s
Wheel - macOS 3.9 ARM	45s
Wheel - macOS 3.9 Intel	2m 7s
Wheel - macOS 3.10 ARM	46s
Wheel - macOS 3.10 Intel	1m 56s
cargo fmt	16s
fuzz_targets	2m 3s
Wheel - macOS 3.11 ARM	46s
Wheel - macOS 3.11 Intel	2m 7s
Wheel - Ubuntu 3.8 ARM	2m 10s
Wheel - Ubuntu 3.8 Intel	2m 4s
Unit tests (macos-latest)	2m 10s
Wheel - Ubuntu 3.9 ARM	2m 9s
Unit tests (ubuntu-latest)	2m 4s
Wheel - Ubuntu 3.9 Intel	2m 4s
Unit tests (windows-latest)	1m 49s
Wheel - Ubuntu 3.10 ARM	2m 7s
Wheel - Ubuntu 3.10 Intel	2m 4s
Wheel - Ubuntu 3.11 ARM	2m 10s
Wheel - Ubuntu 3.11 Intel	2m 6s
Wheel - Windows 3.8 Intel	1m 49s
Wheel - Windows 3.9 Intel	1m 51s
Wheel - Windows 3.10 Intel	1m 51s
Wheel - Windows 3.11 Intel	1m 49s
Upload to PyPI - ${{ matrix.os.name }} ${{ matrix.python.major-dot-minor }} ${{ matrix.arch.name }}	1s
	46m 49s

Provide feedback