Fix typo in README code examples

Morriar · web-flow · commit 7ace2b7a804c · 2024-02-20T11:24:42.000-05:00
Replacing `}` by `)`.
diff --git a/README.adoc b/README.adoc
@@ -208,7 +208,7 @@ ruby_rspec(
     specs = glob(["spec/**/*.rb"]),
     rspec_args = { "--format": "progress" },
     deps = [":foo"]
-}
+)
 ----
 
 ==== Package Ruby files as a Gem
