ci: build GCC 14, build nowallet depends and source with it, stage built packages in /opt, allowlist LLVM libc++
#1401
| Job | Run time |
|---|---|
| 38s | |
| 1h 37m 19s | |
| 1h 35m 27s | |
| 1h 34m 31s | |
| 1h 28m 26s | |
| 1h 33m 40s | |
| 1h 47m 4s | |
| 1h 5m 3s | |
| 1h 5m 1s | |
| 11h 47m 9s |