feat: Added ability to load spending plans from environment variable. #6000

All 22 tests pass in 2m 45s

1 files - 17 11 suites - 255 2m 45s ⏱️ - 29m 44s
22 tests - 582 22 ✅ - 576 0 💤 - 4 0 ❌ - 2
22 runs - 674 22 ✅ - 666 0 💤 - 4 0 ❌ - 4

Results for commit 174b5a5. ± Comparison against earlier commit 07e99d5.