chore: upgrade release plugin (#2724)

build.gradle

@@ -2,7 +2,7 @@ plugins {
  // Top level plugins
  id 'com.github.kt3k.coveralls' version '2.12.2'
  id 'com.github.node-gradle.node' version '7.0.1'
- id 'net.researchgate.release' version '2.8.1'
+ id 'net.researchgate.release' version '3.0.2'
  // Records all tasks in task graph, generates `build/reports/visteg.dot`
  // dot file can be converted to an image using graphviz. `dot -Tsvg -O -v visteg.dot`
  // id 'cz.malohlava.visteg' version '1.0.5'
@@ -223,7 +223,7 @@ subprojects {
 release {
  tagTemplate = 'v${version}' // Looks like it should be a GString, but not necessary
  git {
- requireBranch = ''
+ requireBranch.set('')
  }
 }