.travis.yml in itamae-1.11.0 vs .travis.yml in itamae-1.11.1

@@ -7,10 +7,11 @@
   - 2.3
   - 2.4
   - 2.5
   - 2.6
   - 2.7
+  - 3.0
   - ruby-head
 bundler_args: "--jobs=4 --retry=3"
 cache:
   bundler: true
 
@@ -28,9 +29,11 @@
   - rvm: ruby-head
   include:
   - rvm: 2.6
     env: SPEC_RUBYOPT="--jit"
   - rvm: 2.7
+    env: SPEC_RUBYOPT="--jit"
+  - rvm: 3.0
     env: SPEC_RUBYOPT="--jit"
   - rvm: ruby-head
     env: SPEC_RUBYOPT="--jit"
 branches:
   only: