Update matrix with Java version and Spring Boot version

Author: backpaper0

.github/workflows/ci.yml

@@ -46,8 +46,8 @@ jobs:
 
     strategy:
       matrix:
-        java: [ 11, 17 ]
-        spring-boot-version: [ 2.3.12.RELEASE, 2.4.13, 2.5.14, 2.6.9, 2.7.1 ]
+        java: [ 11, 17, 19 ]
+        spring-boot-version: [ 2.4.13, 2.5.14, 2.6.12, 2.7.4 ]
 
     steps:
       - uses: actions/checkout@v3