fix(nemesis): increase timeout in the 'disrupt_repair_streaming_err'
fix(nemesis): increase timeout in the 'disrupt_repair_streaming_err'

Increase the timeout in the 'disrupt_repair_streaming_err' nemesis
from 10 to 20 minutes because it happens that repair takes more than 10
minutes (current timeout).

scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests