Updated Ruby 3.0 test to 3.0.2.

ruby/travis-test.sh

@@ -18,7 +18,7 @@ test_version() {
        rake gc_test &&
        cd ../conformance && make test_jruby &&
        cd ../ruby/compatibility_tests/v3.0.0 && ./test.sh"
-  elif [ "$version" == "ruby-2.6.0" -o "$version" == "ruby-2.7.0" -o "$version" == "ruby-3.0.0" ] ; then
+  elif [ "$version" == "ruby-2.6.0" -o "$version" == "ruby-2.7.0" -o "$version" == "ruby-3.0.2" ] ; then
     bash --login -c \
       "rvm install $version && rvm use $version && \
        which ruby && \

tests.sh

@@ -438,7 +438,7 @@ build_ruby27() {
 }
 build_ruby30() {
   internal_build_cpp  # For conformance tests.
-  cd ruby && bash travis-test.sh ruby-3.0.0 && cd ..
+  cd ruby && bash travis-test.sh ruby-3.0.2 && cd ..
 }
 
 build_jruby() {