Update [compat] to allow CodevZlib v0.7 (#138)

Author: jaakkor2

Project.toml

@@ -11,7 +11,7 @@ CodecZlib = "944b1d66-785c-5afd-91f1-9de20f533193"
 [compat]
 BufferedStreams = "0.4.1, 1"
 HDF5 = "0.11, 0.12, 0.13"
-CodecZlib = "0.5, 0.6"
+CodecZlib = "0.5, 0.6, 0.7"
 julia = "1.3"
 
 [extras]