update spring-boot

* add TEST_A and TEST_B courses for testing during summer break

src/main/kotlin/org/mosad/thecitadelofricks/APIController.kt

@@ -49,7 +49,7 @@ class APIController {
 
     companion object {
         const val apiVersion = "1.2.0"
-        const val softwareVersion = "1.2.5"
+        const val softwareVersion = "1.2.6"
         val startTime = System.currentTimeMillis() / 1000
     }