Merge pull request #135 from zonkyio/flyway-7.3

#134 Add test suite for flyway 7.3.0

Author: tomix26

build.gradle

@@ -36,7 +36,8 @@ ext {
             [core: '6.5.3', test: '6.4.0'],
             [core: '7.0.4', test: '7.0.0'],
             [core: '7.1.1', test: '7.0.0'],
-            [core: '7.2.0', test: '7.0.0'],
+            [core: '7.2.1', test: '7.0.0'],
+            [core: '7.3.0', test: '7.0.0'],
 
             [core: '5.0.7', test: '5.0.0'] // default version
     ]