Gradle wrapper version 6.8.3.

Change-Id: I64e8452ec30651fc4a8e8de842fc12556f2c6641
diff --git a/blog/gradlew b/blog/gradlew
index fbd7c51..4f906e0 100755
--- a/blog/gradlew
+++ b/blog/gradlew
@@ -130,7 +130,7 @@
 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