Support Scala 2.12.11

Author: wangyum

.travis.yml

@@ -42,6 +42,10 @@ env:
     [email protected]
   - SCALA_VERSION=2.12.10
     [email protected]
+  - SCALA_VERSION=2.12.11
+    [email protected]
+  - SCALA_VERSION=2.12.11
+    [email protected]
   - SCALA_VERSION=2.13.0
     [email protected]
   - SCALA_VERSION=2.13.0

RELEASING.md

@@ -15,6 +15,6 @@ It is often the case when this compiler plugin needs to be released for a newly
   * master, if no features or bug fixes were merged to master since the latest release
   * tag, if the master has unreleased features or bug fixes. In this case you will need to cherry pick the commit that adds support for the new Scala version.
 2. Create a file `version.sbt` containing `version in ThisBuild := "0.11"` which sets the version to be back-released. This will override the automatic version derivation from the git history. Alternatively you can `set version in ThisBuild := ...` in the command line.
-3. Change the Scala version to the release you want to perform, this is done by `++2.12.10` in the sbt command line.
+3. Change the Scala version to the release you want to perform, this is done by `++2.12.11` in the sbt command line.
 4. Publish the release by running `sbt publishSigned`. You will need Sonatype OSS repository rights to publish under `com.typesafe` organisation.
 5. Login to [Sonatype](https://oss.sonatype.org/) to close and release the repository.

build.sbt

@@ -48,7 +48,7 @@ lazy val defaults = Seq(
   crossScalaVersions := {
     val earliest211 = 6
     val latest211 = 12
-    val latest212 = 10
+    val latest212 = 11
     val latest213 = 1
     val skipVersions = Set("2.11.9", "2.11.10")
     val scala211Versions =