Add 2.1 capabilities

Author: restingbull

src/main/kotlin/io/bazel/kotlin/generate/BUILD.bazel

@@ -1,10 +1,19 @@
 load("//kotlin:jvm.bzl", "kt_jvm_binary", "kt_jvm_library")
 
+# Work around neverlink.
+java_import(
+    name = "kotlinc_jar",
+    jars = [
+        "@com_github_jetbrains_kotlin//:kotlin-compiler",
+    ],
+    deps = [],
+)
+
 kt_jvm_library(
     name = "kotlin_release_options_lib",
     srcs = glob(["**/*.kt"]),
     deps = [
-        "//kotlin/compiler:kotlin-compiler",
+        ":kotlinc_jar",
         "//kotlin/compiler:kotlin-reflect",
     ],
 )

src/main/starlark/core/repositories/kotlin/capabilities_2.1.bzl.com_github_jetbrains_kotlin.bazel

@@ -0,0 +1,16 @@
+# Copyright 2024 The Bazel Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+KOTLIN_OPTS = [
+    
+]