Upgrade springboot to fix security issue (#627)

Spring Boot 2.2.5 was released which includes a fix for a security issue in netty. See: https://spring.io/blog/2020/02/27/spring-boot-2-2-5-released

Author: smyrick

gradle.properties

@@ -14,14 +14,15 @@ kotlinCoroutinesVersion = 1.3.3
 
 graphQLJavaVersion = 14.0
 jacksonVersion = 2.10.2
-springBootVersion = 2.2.4.RELEASE
+springBootVersion = 2.2.5.RELEASE
 classGraphVersion = 4.8.65
-reactorVersion = 3.3.2.RELEASE
+reactorVersion = 3.3.3.RELEASE
 reactorExtensionsVersion = 1.0.2.RELEASE
 
 # test dependency versions
 junitVersion = 5.6.0
 mockkVersion = 1.9.3
+rxjavaVersion = 3.0.0
 
 # plugin versions
 detektVersion = 1.5.1

graphql-kotlin-schema-generator/build.gradle.kts

@@ -5,7 +5,7 @@ val graphQLJavaVersion: String by project
 val jacksonVersion: String by project
 val kotlinVersion: String by project
 val kotlinCoroutinesVersion: String by project
-val rxjavaVersion = "3.0.0"
+val rxjavaVersion: String by project
 
 dependencies {
     api("com.graphql-java:graphql-java:$graphQLJavaVersion")