Prepare for a release by updating graknlabs_graql, graknlabs_common a…

…nd graknlabs_protocol to release versions (#18)

## What is the goal of this PR?

- We've updated `graql`, `common` and `protocol` which are depended by `client-java`.

dependencies/graknlabs/dependencies.bzl

@@ -29,14 +29,14 @@ def graknlabs_common():
      git_repository(
          name = "graknlabs_common",
          remote = "https://github.com/graknlabs/common",
-         commit = "80e7505bd01afc6e048891e0b6f88ab80239f3f0", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_common
+         tag = "0.2.1", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_common
      )
 
 def graknlabs_graql():
      git_repository(
          name = "graknlabs_graql",
          remote = "https://github.com/graknlabs/graql",
-         commit = "5bf8ea37b0555abb16e66c8d1e90e980347ac46e", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_graql
+         tag = "1.0.4", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_graql
      )
 
 def graknlabs_grakn_core():
@@ -50,7 +50,7 @@ def graknlabs_protocol():
     git_repository(
         name = "graknlabs_protocol",
         remote = "https://github.com/graknlabs/protocol",
-        commit = "246139d83ad8d3b5b3f37e2bf26d3b56fad4d8bc", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_protocol
+        tag = "1.0.3", # sync-marker: do not remove this comment, this is used for sync-dependencies by @graknlabs_protocol
     )
 
 def graknlabs_client_java():