Issue 53: Upgraded Pravega artifact to 0.7 version. (#54)

Upgraded Pravega artifacts in Pravega CLI to latest Pravega snapshot artifact.

Signed-off-by: Raúl Gracia <[email protected]>

pravega-cli/gradle.properties

@@ -20,8 +20,8 @@ jsonSimpleVersion=1.1.1
 lombokVersion=1.18.4
 mockitoVersion=2.23.0
 nettyVersion=4.1.30.Final
-pravegaCliVersion=0.6.0
-pravegaVersion=0.6.0
+pravegaCliVersion=0.7.0-SNAPSHOT
+pravegaVersion=0.7.0-50.e81f6ab-SNAPSHOT
 slf4jApiVersion=1.7.25
 spotbugsPluginVersion=1.6.9
 spotbugsVersion=3.1.11