bazelbuild/platforms 0.0.9 on GitHub

What's Changed

Define constraint for emscripten os by @googlewalt in #84
Implement local_config_platform in @platforms by @Wyverald in #86

WORKSPACE setup

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
http_archive(
    name = "platforms",
    urls = [
        "https://mirror.bazel.build/github.com/bazelbuild/platforms/releases/download/0.0.9/platforms-0.0.9.tar.gz",
        "https://github.com/bazelbuild/platforms/releases/download/0.0.9/platforms-0.0.9.tar.gz",
    ],
    sha256 = "5eda539c841265031c2f82d8ae7a3a6490bd62176e0c038fc469eabf91f6149b",
)

# To use the new Starlark host platform in @platforms, also include the following snippet:
load("@platforms//host:extension.bzl", "host_platform_repo")
host_platform_repo(name = "host_platform")

Full Changelog: 0.0.8...0.0.9