Fix publishing (#6)

Author: guizmaii

project/build.properties

@@ -1 +1 @@
-sbt.version = 1.5.5
+sbt.version = 1.6.2

project/plugins.sbt

@@ -2,7 +2,6 @@ addSbtPlugin("ch.epfl.scala"                     % "sbt-bloop"
 addSbtPlugin("ch.epfl.scala"                     % "sbt-scalafix"                  % "0.9.29")
 addSbtPlugin("com.eed3si9n"                      % "sbt-buildinfo"                 % "0.10.0")
 addSbtPlugin("com.eed3si9n"                      % "sbt-unidoc"                    % "0.4.3")
-addSbtPlugin("com.geirsson"                      % "sbt-ci-release"                % "1.5.7")
 addSbtPlugin("com.github.cb372"                  % "sbt-explicit-dependencies"     % "0.2.16")
 addSbtPlugin("com.thoughtworks.sbt-api-mappings" % "sbt-api-mappings"              % "3.0.0")
 addSbtPlugin("com.typesafe"                      % "sbt-mima-plugin"               % "0.9.0")