fix: expose bare jq/jq.exe binary (#20)

lib/private/jq_toolchain.bzl

@@ -178,11 +178,9 @@ def _jq_platform_repo_impl(repository_ctx):
     )
     build_content = """#Generated by lib/repositories.bzl
 load("@aspect_bazel_lib//lib/private:jq_toolchain.bzl", "jq_toolchain")
-jq_toolchain(name = "jq_toolchain", bin = select({
-    "@bazel_tools//src/conditions:host_windows": ":jq.exe",
-    "//conditions:default": ":jq",
-}), visibility = ["//visibility:public"])
-"""
+exports_files(["{0}"])
+jq_toolchain(name = "jq_toolchain", bin = "{0}", visibility = ["//visibility:public"])
+""".format("jq.exe" if is_windows else "jq")
 
     # Base BUILD file for this repository
     repository_ctx.file("BUILD.bazel", build_content)