Update the distribution target

- Also include the WORKSPACE file
- Make it publicly visible

PiperOrigin-RevId: 543705318
Change-Id: I69121d1cee07693fdd6fadb2715d6df1124445f3

BUILD

diff --git a/BUILD b/BUILD
index 9840747..c138b7f 100644
--- a/BUILD
+++ b/BUILD
@@ -12,8 +12,9 @@
         "BUILD",
         "LICENSE",
         "MODULE.bazel",
+        "WORKSPACE",
         "//java:srcs",
         "//toolchains:srcs",
     ],
-    visibility = ["//distro:__pkg__"],
+    visibility = ["//visibility:public"],
 )