Bump coverage to 4.5.4 onwards, on the 4.5.x series.
Bump coverage to 4.5.4 onwards, on the 4.5.x series.

MozillaSecurity/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz,MozillaSecurity/funfuzz,nth10sd/funfuzz,nth10sd/funfuzz