tests: fix `make test` (#5966)

## Description
 
- bump deadlock dep to master
  - fixes `make test` since we now use `deadlock.Once`

Closes: #XXX

go.mod

@@ -10,7 +10,6 @@ require (
 	github.com/btcsuite/btcutil v1.0.2
 	github.com/confio/ics23/go v0.6.3
 	github.com/cosmos/iavl v0.15.3
-	github.com/dvyukov/go-fuzz v0.0.0-20210103155950-6a8e9d1f2415 // indirect
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/go-kit/kit v0.10.0
 	github.com/go-logfmt/logfmt v0.5.0
@@ -28,7 +27,7 @@ require (
 	github.com/prometheus/client_golang v1.9.0
 	github.com/rcrowley/go-metrics v0.0.0-20200313005456-10cdbea86bc0
 	github.com/rs/cors v1.7.0
-	github.com/sasha-s/go-deadlock v0.2.0
+	github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa
 	github.com/snikch/goodman v0.0.0-20171125024755-10e37e294daa
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/viper v1.7.1

go.sum

@@ -130,8 +130,6 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/dvyukov/go-fuzz v0.0.0-20210103155950-6a8e9d1f2415 h1:q1oJaUPdmpDm/VyXosjgPgr6wS7c5iV2p0PwJD73bUI=
-github.com/dvyukov/go-fuzz v0.0.0-20210103155950-6a8e9d1f2415/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
@@ -486,6 +484,8 @@ github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb
 github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0XIa01GRL2eRQVjQkKGqKF3SF9vZR/HnPullcV2E=
 github.com/sasha-s/go-deadlock v0.2.0 h1:lMqc+fUb7RrFS3gQLtoQsJ7/6TV/pAIFvBsqX73DK8Y=
 github.com/sasha-s/go-deadlock v0.2.0/go.mod h1:StQn567HiB1fF2yJ44N9au7wOhrPS3iZqiDbRupzT10=
+github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa h1:0U2s5loxrTy6/VgfVoLuVLFJcURKLH49ie0zSch7gh4=
+github.com/sasha-s/go-deadlock v0.2.1-0.20190427202633-1595213edefa/go.mod h1:F73l+cr82YSh10GxyRI6qZiCgK64VaZjwesgfQ1/iLM=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=