Update releases version variable

Author: acoburn

build.gradle

@@ -4,7 +4,7 @@ plugins {
     id 'com.github.kt3k.coveralls' version "$coverallsVersion"
     id 'com.github.spotbugs' version "$spotbugsVersion"
     id 'com.gradle.build-scan' version "$scanVersion"
-    id 'net.researchgate.release' version "$releaseVersion"
+    id 'net.researchgate.release' version "$releasesVersion"
     id 'org.owasp.dependencycheck' version "$owaspVersion"
     id 'org.sonarqube' version "$sonarVersion"
     id 'biz.aQute.bnd.builder' version "$bndVersion" apply false

gradle.properties

@@ -79,7 +79,7 @@ dockerVersion = 0.22.1
 licenseVersion = 0.15.0
 nebulaVersion = 8.0.3
 owaspVersion = 5.2.4
-releaseVersion = 2.8.1
+releasesVersion = 2.8.1
 scanVersion = 3.1
 sonarVersion = 2.8
 spotbugsVersion = 3.0.0