Bump default Ruby version for development to 3.0.1

alexdowad · alexdowad · commit ead7d2aa03bc · 2021-11-28T17:35:03.000+02:00
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-2.7.0
+3.0.1
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ rvm:
   - 2.5.8
   - 2.6.6
   - 2.7.1
+  - 3.0.1
   - ruby-head
   - jruby-9.0.0.0
   - jruby-9.1.16.0
