Merge remote-tracking branch 'upstream/master' into legacy_continued

* upstream/master:
  Update CHANGELOG.md
  Update to release legacy-1.3.0-rc3
  Support more recent java versions in the kotlin toolchain. (bazelbuild#236)

CHANGELOG.md

@@ -2,8 +2,10 @@
 
 |  Date                   | News  | 
 | :----------- | -------- |
-| Dec 5, 2019 | Released version [1.3.0-rc2](https://github.com/bazelbuild/rules_kotlin/releases/tag/legacy-1.3.0-rc2). | 
-| Dec 5, 2019 | Fix for problem with jdeps generation (#235). | 
+| Dec 6, 2019  | Released version [1.3.0-rc3](https://github.com/bazelbuild/rules_kotlin/releases/tag/legacy-1.3.0-rc3). | 
+| Dec 6, 2019  | Add support for later java versions as target platforms (#236). | 
+| Dec 5, 2019  | Released version [1.3.0-rc2](https://github.com/bazelbuild/rules_kotlin/releases/tag/legacy-1.3.0-rc2). | 
+| Dec 5, 2019  | Fix for problem with jdeps generation (#235). | 
 | Oct 29, 2019 | Released version [1.3.0-rc1](https://github.com/bazelbuild/rules_kotlin/releases/tag/legacy-1.3.0-rc1). | 
 | Oct 28, 2019 | Fix various regressions (#217, #221, #222).  | 
 | Oct 28, 2019 | Improve file handling for maven-packaged JS jars in `kt_js_import()` (#223).  | 

kotlin/internal/toolchains.bzl

@@ -142,6 +142,10 @@ _kt_toolchain = rule(
             values = [
                 "1.6",
                 "1.8",
+                "9",
+                "10",
+                "11",
+                "12",
             ],
         ),
         "js_target": attr.string(