Build(deps): Bump ubuntu from `278628f` to `80dd3c3` in /docker/exodus #944

Job	Run time
build-deps (gnu, 4.9.2)	28s
build-deps (clang, 4.9.2)	23s
build-deps (mpi, 4.9.2)	53s
Debug serial build	4m 21s
Debug parallel build	4m 56s
Use modern CMake configure of netCDF package	6m 23s
	17m 24s

Provide feedback