Update Gitaly to 15.4.0-rc2

It has gitlab-shell dependency removed, so it makes sense to
remove the exclusion of circular dependency

Author: Igor Drozdov

go.mod

@@ -11,13 +11,13 @@ require (
 	github.com/otiai10/copy v1.4.2
 	github.com/pires/go-proxyproto v0.6.2
 	github.com/prometheus/client_golang v1.12.2
-	github.com/sirupsen/logrus v1.8.1
+	github.com/sirupsen/logrus v1.9.0
 	github.com/stretchr/testify v1.8.0
-	gitlab.com/gitlab-org/gitaly/v15 v15.2.0
+	gitlab.com/gitlab-org/gitaly/v15 v15.4.0-rc2
 	gitlab.com/gitlab-org/labkit v1.16.0
-	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e
+	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa
 	golang.org/x/sync v0.0.0-20220601150217-0de741cfad7f
-	google.golang.org/grpc v1.47.0
+	google.golang.org/grpc v1.48.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
@@ -47,7 +47,7 @@ require (
 	github.com/google/pprof v0.0.0-20210804190019-f964ff605595 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/gax-go/v2 v2.2.0 // indirect
-	github.com/hashicorp/yamux v0.0.0-20211028200310-0bc27b27de87 // indirect
+	github.com/hashicorp/yamux v0.1.1 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20210210170715-a8dfcb80d3a7 // indirect
@@ -72,22 +72,17 @@ require (
 	go.uber.org/atomic v1.9.0 // indirect
 	golang.org/x/net v0.0.0-20220531201128-c960675eff93 // indirect
 	golang.org/x/oauth2 v0.0.0-20220309155454-6242fa91716a // indirect
-	golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20220609170525-579cf78fd858 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/api v0.74.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220401170504-314d38edb7de // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/DataDog/dd-trace-go.v1 v1.32.0 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
-// Gitaly specifies Gitlab Shell as a dependency and causes older versions
-// of Gitaly and Gitlab Shell to be included in go.sum.
-// Let's exclude the older version of Gitlab Shell to break the chain in the beginning
-exclude gitlab.com/gitlab-org/gitlab-shell/v14 v14.8.0
-
 replace golang.org/x/crypto => gitlab.com/gitlab-org/golang-crypto v0.0.0-20220616060731-4818747c9fed