ci: Build Firefox with current neqo (#1834) #2732

Job	Run time
Build & test (ubuntu-latest, 1.76.0, debug)	12m 10s
Build & test (ubuntu-latest, stable, debug)	12m 10s
Build & test (ubuntu-latest, nightly, debug)	9m 17s
Build & test (macos-14, 1.76.0, debug)	11m 14s
Build & test (macos-14, stable, debug)	13m 19s
Build & test (macos-14, nightly, debug)	9m 55s
Build & test (windows-latest, 1.76.0, debug)	20m 56s
Build & test (windows-latest, stable, debug)	22m 12s
Build & test (windows-latest, nightly, debug)	17m 9s
Build & test (ubuntu-latest, stable, release)	17m 40s
Benchmark	0s
	2h 26m 2s

Provide feedback