Switch Gradle wrapper to 6.6

CHANGELOG.md

@@ -6,6 +6,7 @@
  - PIT 1.5.2 by default
  - Add functional test with Spock 2 (using JUnit Platform)
  - Bump minimal supported PIT version to 1.4.0 - the first version which required Java 8 (May 2018)
+ - Upgrade Gradle wrapper to 6.6
 
 ## 1.5.1 - 2020-05-06
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip
-distributionSha256Sum=c9910513d0eed63cd8f5c7fec4cb4a05731144770104a0871234a4edc3ba3cef
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.6-all.zip
+distributionSha256Sum=83fa7c3e5ab84c3c5c4a04fb16947338209efa9aab1f6bf09a5d0e3d2ed87742
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath

gradlew.bat

@@ -84,6 +84,7 @@ set CMD_LINE_ARGS=%*
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
 "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%