Set StandardRB target Ruby version to v3.0

jgarber623 · jgarber623 · commit 46ac030728aa · 2024-03-16T12:16:39.000-04:00
diff --git a/.standard.yml b/.standard.yml
@@ -1,2 +1,3 @@
-format: progress
+format: "progress"
 parallel: true
+ruby_version: "3.0"
