Update to go-cosmwasm 0.9.0-alpha3 with new test contracts

go.mod

@@ -4,7 +4,7 @@ go 1.13
 
 require (
 	// Note: update ENV GO_COSMWASM in Dockerfile when updating this
-	github.com/CosmWasm/go-cosmwasm v0.9.0-alpha2
+	github.com/CosmWasm/go-cosmwasm v0.9.0-alpha3
 	github.com/btcsuite/btcd v0.0.0-20190807005414-4063feeff79a // indirect
 	github.com/cosmos/cosmos-sdk v0.38.3
 	github.com/golang/mock v1.4.3 // indirect

go.sum

@@ -9,8 +9,8 @@ github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/ChainSafe/go-schnorrkel v0.0.0-20200102211924-4bcbc698314f h1:4O1om+UVU+Hfcihr1timk8YNXHxzZWgCo7ofnrZRApw=
 github.com/ChainSafe/go-schnorrkel v0.0.0-20200102211924-4bcbc698314f/go.mod h1:URdX5+vg25ts3aCh8H5IFZybJYKWhJHYMTnf+ULtoC4=
-github.com/CosmWasm/go-cosmwasm v0.9.0-alpha2 h1:dOY+aro+Hgnpwrt5T/JqaxVWqdIx+onRy7swqe1PLCQ=
-github.com/CosmWasm/go-cosmwasm v0.9.0-alpha2/go.mod h1:gAFCwllx97ejI+m9SqJQrmd2SBW7HA0fOjvWWJjM2uc=
+github.com/CosmWasm/go-cosmwasm v0.9.0-alpha3 h1:CLa70UA9QGWye4GtIs7H/sRdKtneCAzWGVXzqUEkDeg=
+github.com/CosmWasm/go-cosmwasm v0.9.0-alpha3/go.mod h1:gAFCwllx97ejI+m9SqJQrmd2SBW7HA0fOjvWWJjM2uc=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=