*: update deps

Update all deps except:
 - errcheck (due to kisielk/errcheck#162)
 - honnef.co/go/tools (requires refactoring)
 - some `github.com/cockroachdb/` deps which have been updated for go1.11.

Changes:
Azure/azure-storage-blob-go@5152f14...45d0c5e
IBM/sarama@bbdbe64...879f631
aws/aws-sdk-go@ddc06f9...1f8a246
axiomhq/hyperloglog@e8c19f1...4b99d0c
cenkalti/backoff@62661b4...1e4cf3d
cockroachdb/circuitbreaker@4f5b168...3e861b2
distribution/distribution@40b7b58...91b0f05
moby/moby@a4a816b...b4842cf
go-ole/go-ole@a41e3c4...39dc848
go-sql-driver/mysql@60d456a...c45f530
google/go-github@35781f7...a5cb647
google/pprof@3ea8567...e84dfd6
googleapis/gax-go@b001040...c8a15ba
grpc-ecosystem/grpc-gateway@9258377...aeab1d9
jmespath/go-jmespath@0b12d6b...c2b33e8
linkedin/goavro@1beee2a...af12b3c
mattn/go-runewidth@ce7b0b5...3ee7d81
montanaflynn/stats@db72e6c...945b007
pkg/errors@645ef00...ba968bf
prometheus/client_model@5c3871d...f287a10
prometheus/common@4724e92...2998b13
prometheus/procfs@1dc9a6c...b1a0a9a
shirou/gopsutil@0f70a4a...ccc1c10
sirupsen/logrus@bcd833d...e1e72e9
stretchr/testify@f35b8ab...ffdc059
etcd-io/etcd@1900a8e...fae6e92
golang/crypto@505ab14...ff983b9
golang/net@351d144...1e06a53
golang/sync@42b3178...37e7f08
golang/sys@70b957f...48ac38b
golang/tools@bcd4e47...d30e00c
googleapis/google-api-go-client@9c79dee...19e022d
golang/appengine@150dc57...e9657d8

Informs cockroachdb#30774.

Release note: None