Add support for Scala 3.2.1 (#1465)

- Add the build and repository definitions for Scala 3.2.1
- Add an extra set of tests for Scala 3.2.1

The current stable version of Scala is 3.2.1: https://github.com/lampepfl/dotty/releases/tag/3.2.1

Fixes #1464

scala/support/BUILD

@@ -5,6 +5,17 @@ scala_library(
     name = "test_reporter",
     srcs = ["JUnitXmlReporter.scala"],
     scalacopts = {
+        "3.2": [
+            "-deprecation:true",
+            "-encoding",
+            "UTF-8",
+            "-feature",
+            "-language:existentials",
+            "-language:higherKinds",
+            "-language:implicitConversions",
+            "-unchecked",
+            "-Xfatal-warnings",
+        ],
         "3.1": [
             "-deprecation:true",
             "-encoding",

test/shell/test_examples.sh

@@ -16,11 +16,16 @@ function multi_framework_toolchain_example() {
   (cd examples/testing/multi_frameworks_toolchain; bazel test //...)
 }
 
-function scala3_example() {
-  (cd examples/scala3; bazel build //...)
+function scala3_1_example() {
+  (cd examples/scala3; bazel build --repo_env=SCALA_VERSION=3.1.0 //...)
+}
+
+function scala3_2_example() {
+  (cd examples/scala3; bazel build --repo_env=SCALA_VERSION=3.2.1 //...)
 }
 
 $runner scalatest_repositories_example
 $runner specs2_junit_repositories_example
 $runner multi_framework_toolchain_example
-$runner scala3_example
+$runner scala3_1_example
+$runner scala3_2_example

third_party/repositories/repositories.bzl

@@ -18,6 +18,11 @@ load(
     _artifacts_3_1 = "artifacts",
     _scala_version_3_1 = "scala_version",
 )
+load(
+    "//third_party/repositories:scala_3_2.bzl",
+    _artifacts_3_2 = "artifacts",
+    _scala_version_3_2 = "scala_version",
+)
 load(
     "@io_bazel_rules_scala//scala:scala_cross_version.bzl",
     "default_maven_server_urls",
@@ -33,13 +38,15 @@ artifacts_by_major_scala_version = {
     "2.12": _artifacts_2_12,
     "2.13": _artifacts_2_13,
     "3.1": _artifacts_3_1,
+    "3.2": _artifacts_3_2,
 }
 
 scala_version_by_major_scala_version = {
     "2.11": _scala_version_2_11,
     "2.12": _scala_version_2_12,
     "2.13": _scala_version_2_13,
     "3.1": _scala_version_3_1,
+    "3.2": _scala_version_3_2,
 }
 
 def repositories(