Fix visibilities and dependencies

PiperOrigin-RevId: 650658887

proto/BUILD

diff --git a/proto/BUILD b/proto/BUILD
index 0b6a340..d17b0a3 100644
--- a/proto/BUILD
+++ b/proto/BUILD
@@ -12,6 +12,7 @@
     ],
     visibility = ["//visibility:public"],
     deps = [
+        ":proto_common",
         ":proto_lang_toolchain",
         ":proto_toolchain",
         "//proto/private/rules:proto_descriptor_set",