Update `@rules_java` release notes

Adds a clarification for correctly registering protobuf deps in `WORKSPACE` mode

PiperOrigin-RevId: 699105038
Change-Id: I767f62f645663c684aa944daa1b67f4fd97542f9

distro/relnotes.bzl

diff --git a/distro/relnotes.bzl b/distro/relnotes.bzl
index 4200e04..ba12883 100644
--- a/distro/relnotes.bzl
+++ b/distro/relnotes.bzl
@@ -30,8 +30,13 @@
 
 load("@rules_java//java:rules_java_deps.bzl", "rules_java_dependencies")
 rules_java_dependencies()
+
+# note that the following line is what is minimally required from protobuf for the java rules
+# consider using the protobuf_deps() public API from @com_google_protobuf//:protobuf_deps.bzl
 load("@com_google_protobuf//bazel/private:proto_bazel_features.bzl", "proto_bazel_features")  # buildifier: disable=bzl-visibility
 proto_bazel_features(name = "proto_bazel_features")
+
+# register toolchains
 load("@rules_java//java:repositories.bzl", "rules_java_toolchains")
 rules_java_toolchains()
 ~~~