go.mod: sort and move self-managed indirect dependencies to new block

Signed-off-by: Koichi Shiraishi <zchee.io@gmail.com>

go.mod

@@ -70,6 +70,22 @@ require (
 	google.golang.org/grpc v1.39.0
 )
 
+// self managed
+require (
+	// snappy: updated for go1.17 support
+	github.com/golang/snappy v0.0.4-0.20210608040537-544b4180ac70 // indirect
+	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
+)
+
+// pinned package version
+replace (
+	github.com/containerd/containerd => github.com/containerd/containerd v1.5.1-0.20210721160646-ee27cde735e2
+	github.com/docker/docker => github.com/docker/docker v20.10.3-0.20210817025855-ba2adeebdb8d+incompatible
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.0.0-20210714055410-d010b05b4939
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/net/http/httptrace/otelhttptrace v0.0.0-20210714055410-d010b05b4939
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/net/http/otelhttp v0.0.0-20210714055410-d010b05b4939
+)
+
 require (
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -90,8 +106,6 @@ require (
 	github.com/felixge/httpsnoop v1.0.2 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e // indirect
 	github.com/golang/protobuf v1.5.2
-	// snappy: updated for go1.17 support
-	github.com/golang/snappy v0.0.4-0.20210608040537-544b4180ac70 // indirect
 	github.com/google/uuid v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/hanwen/go-fuse/v2 v2.1.0 // indirect
@@ -102,7 +116,6 @@ require (
 	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/moby/sys/mount v0.2.0 // indirect
 	github.com/moby/sys/mountinfo v0.4.1 // indirect
-	github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/prometheus/client_golang v1.11.0 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
@@ -119,11 +132,3 @@ require (
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 	gotest.tools/v3 v3.0.3 // indirect
 )
-
-replace (
-	github.com/containerd/containerd => github.com/containerd/containerd v1.5.1-0.20210721160646-ee27cde735e2
-	github.com/docker/docker => github.com/docker/docker v20.10.3-0.20210817025855-ba2adeebdb8d+incompatible
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.0.0-20210714055410-d010b05b4939
-	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/net/http/httptrace/otelhttptrace v0.0.0-20210714055410-d010b05b4939
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp => github.com/tonistiigi/opentelemetry-go-contrib/instrumentation/net/http/otelhttp v0.0.0-20210714055410-d010b05b4939
-)