Testing rails 5.2 on ruby 3.0 doesnt make sense

Author: mlitwiniuk

.travis.yml

@@ -1,7 +1,10 @@
 language: ruby
+exclude:
+  - rvm: 3.0.1
+    gemfile: gemfiles/rails_5.2.gemfile
 rvm:
   - 2.7.3
-  - 3.0.0
+  - 3.0.1
 gemfile:
   - gemfiles/rails_5.2.gemfile
   - gemfiles/rails_6.0.gemfile