Add dendrite-upgrade-test (#1901)

* Add WIP binary for testing dendrite version upgrades

* WIP dendrite upgrade work

* Finish dendrite upgrade checks

* go mod tidy

* Review comments; print container logs on failure

* Linting

go.mod

@@ -3,12 +3,19 @@ module github.com/matrix-org/dendrite
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/HdrHistogram/hdrhistogram-go v1.0.1 // indirect
+	github.com/Masterminds/semver/v3 v3.1.1
 	github.com/Shopify/sarama v1.28.0
+	github.com/codeclysm/extract v2.2.0+incompatible
+	github.com/containerd/containerd v1.5.2 // indirect
+	github.com/docker/docker v20.10.7+incompatible
+	github.com/docker/go-connections v0.4.0
 	github.com/getsentry/sentry-go v0.10.0
 	github.com/gologme/log v1.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/websocket v1.4.2
+	github.com/h2non/filetype v1.1.1 // indirect
 	github.com/hashicorp/golang-lru v0.5.4
+	github.com/juju/testing v0.0.0-20210324180055-18c50b0c2098 // indirect
 	github.com/lib/pq v1.9.0
 	github.com/libp2p/go-libp2p v0.13.0
 	github.com/libp2p/go-libp2p-circuit v0.4.0
@@ -28,6 +35,7 @@ require (
 	github.com/matrix-org/pinecone v0.0.0-20210623102758-74f885644c1b
 	github.com/matrix-org/util v0.0.0-20200807132607-55161520e1d4
 	github.com/mattn/go-sqlite3 v1.14.7-0.20210414154423-1157a4212dcb
+	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/ngrok/sqlmw v0.0.0-20200129213757-d5c93a81bec6
 	github.com/opentracing/opentracing-go v1.2.0
@@ -41,7 +49,7 @@ require (
 	github.com/uber/jaeger-lib v2.4.0+incompatible
 	github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20210218094457-e77ca8019daa
 	go.uber.org/atomic v1.7.0
-	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83
+	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2
 	golang.org/x/mobile v0.0.0-20210220033013-bdb1ca9a1e08
 	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
 	golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1