fix: correct version string to 10.0.0

Merge auto-resolution kept fork's version 9.3.5 instead of upstream's
10.0.0. Code content is already v10 — only the version string was wrong.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: JOY

mix.exs

@@ -7,7 +7,7 @@ defmodule BlockScout.Mixfile do
     [
       # app: :block_scout,
       # aliases: aliases(config_env()),
-      version: "9.3.5",
+      version: "10.0.0",
       apps_path: "apps",
       deps: deps(),
       dialyzer: dialyzer(),