Merge branch 'main' of https://github.com/bazelbuild/rules_python into venv.site.packages

Author: rickeylev

CHANGELOG.md

@@ -68,6 +68,9 @@ Unreleased changes template.
   specifying a library's sources follow a site-packages file layout.
   (only applicable with {obj}`--bootstrap_impl=script`)
   ([#2156](https://github.com/bazelbuild/rules_python/issues/2156)).
+* {obj}`//python/bin:python`: convenience target for directly running an
+  interpreter. {obj}`--//python/bin:python_src` can be used to specify a
+  binary whose interpreter to use.
 
 {#v0-0-0-removed}
 ### Removed

python/proto/BUILD.bazel

@@ -14,5 +14,11 @@
 
 package(default_visibility = ["//visibility:public"])
 
-# Toolchain type provided by proto_lang_toolchain rule and used by py_proto_library
-toolchain_type(name = "toolchain_type")
+# Deprecated; use @com_google_protobuf//bazel/private:python_toolchain_type instead.
+# Alias is here to provide backward-compatibility; see #2604
+# It will be removed in a future release.
+alias(
+    name = "toolchain_type",
+    actual = "@com_google_protobuf//bazel/private:python_toolchain_type",
+    deprecation = "Use @com_google_protobuf//bazel/private:python_toolchain_type instead",
+)