solution: use gradle 7.2

Co-authored-by: Brian McGee <brian@41north.dev>

gradle.properties

@@ -1,21 +1,3 @@
 kotlin.code.style=official
 
-# Languages
-groovyVersion=2.5.14
-kotlinVersion=1.5.30
-protocVersion=3.9.0
-# Main Libs
-slf4jVersion=1.7.25
-jacksonVersion=2.11.0
-grpcVersion=1.38.0
-reactiveGrpcVersion=1.2.0
-springBootVersion=2.4.5
-springVersion=5.3.6
-springSecurtyVersion=5.4.6
-reactorVersion=3.4.10
-nettyVersion=4.1.65.Final
-# Our Libs
-etherjarVersion=0.11.1
-# Testing
-spockVersion=1.3-groovy-2.5