update libraries

* spring boot 2.5.5 -> 2.6.6
* kotlin 1.5.31 -> 1.6.20
* coroutines 1.5.2 -> 1.6.1
* gson 2.8.8 -> 2.9.0
* gradle wrapper 7.2 -> 7.4.2

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

@@ -49,7 +49,7 @@ class APIController {
 
     companion object {
         const val apiVersion = "1.3.0"
-        const val softwareVersion = "1.3.0"
+        const val softwareVersion = "1.3.1"
         val startTime = System.currentTimeMillis() / 1000
     }