sangria: fix @link (#249)

Upgraded sangria with v0.4.0 version that includes fix for @link

Author: Soufiane Maguerra

README.md

@@ -147,7 +147,7 @@ The following open-source GraphQL server libraries and hosted subgraphs provide
 </thead>
 <tbody>
 <tr><td><a href="https://ghostdogpr.github.io/caliban/docs/federation.html">Caliban</a></td><td><table><tr><th>_service</th><td>🟢</td></tr><tr><th>@key (single)</th><td>🟢</td></tr><tr><th>@key (multi)</th><td>🟢</td></tr><tr><th>@key (composite)</th><td>🟢</td></tr><tr><th>repeatable @key</th><td>🟢</td></tr><tr><th>@requires</th><td>🟢</td></tr><tr><th>@provides</th><td>🟢</td></tr><tr><th>federated tracing</th><td>🟢</td></tr></table></td><td><table><tr><th>@link</th><td>🟢</td></tr><tr><th>@shareable</th><td>🟢</td></tr><tr><th>@tag</th><td>🟢</td></tr><tr><th>@override</th><td>🟢</td></tr><tr><th>@inaccessible</th><td>🟢</td></tr></table></td></tr>
-<tr><td><a href="https://sangria-graphql.github.io/learn/#graphql-federation">Sangria</a></td><td><table><tr><th>_service</th><td>🟢</td></tr><tr><th>@key (single)</th><td>🟢</td></tr><tr><th>@key (multi)</th><td>🟢</td></tr><tr><th>@key (composite)</th><td>🟢</td></tr><tr><th>repeatable @key</th><td>🟢</td></tr><tr><th>@requires</th><td>🟢</td></tr><tr><th>@provides</th><td>🟢</td></tr><tr><th>federated tracing</th><td>🟢</td></tr></table></td><td><table><tr><th>@link</th><td>❌</td></tr><tr><th>@shareable</th><td>🟢</td></tr><tr><th>@tag</th><td>🟢</td></tr><tr><th>@override</th><td>🟢</td></tr><tr><th>@inaccessible</th><td>🟢</td></tr></table></td></tr>
+<tr><td><a href="https://sangria-graphql.github.io/learn/#graphql-federation">Sangria</a></td><td><table><tr><th>_service</th><td>🟢</td></tr><tr><th>@key (single)</th><td>🟢</td></tr><tr><th>@key (multi)</th><td>🟢</td></tr><tr><th>@key (composite)</th><td>🟢</td></tr><tr><th>repeatable @key</th><td>🟢</td></tr><tr><th>@requires</th><td>🟢</td></tr><tr><th>@provides</th><td>🟢</td></tr><tr><th>federated tracing</th><td>🟢</td></tr></table></td><td><table><tr><th>@link</th><td>🟢</td></tr><tr><th>@shareable</th><td>🟢</td></tr><tr><th>@tag</th><td>🟢</td></tr><tr><th>@override</th><td>🟢</td></tr><tr><th>@inaccessible</th><td>🟢</td></tr></table></td></tr>
 </tbody>
 </table>
 

implementations/sangria/build.sbt

@@ -7,7 +7,7 @@ val http4sVersion = "1.0.0-M37"
 val circeVersion = "0.14.3"
 
 libraryDependencies ++= List(
-  "org.sangria-graphql" %% "sangria-federated" % "0.3.0",
+  "org.sangria-graphql" %% "sangria-federated" % "0.4.0",
   "org.sangria-graphql" %% "sangria-circe" % "1.3.2",
   "org.http4s" %% "http4s-ember-server" % http4sVersion,
   "org.http4s" %% "http4s-dsl" % http4sVersion,