all: bump x/net, x/sync and gonum

Signed-off-by: Sebastien Binet <binet@cern.ch>

all: bump to mangos@v3.2.1, gonum@v0.9.1

all: bump to mangos@v3.0.1

tdaq: bump Gonum@v0.7.0

tdaq: update peterh/liner@v1.2.0

xdaq: unexport test-only tdaq components

all: use dedicated i64-test processes

all: update Go modules

iomgr: display error received by 'done'

all: use tdaq/job