chore(utils.js): Update remaining dev dependencies.

Make changes to utils.js to remove deprecated output attribute usage.

fix #5095

Author: Portugal, Marcelo

lib/grunt/utils.js

@@ -188,11 +188,13 @@ var util = module.exports = {
 
   /* Read in whatever angular versions are in lib/test/angular and register karma configs for them all! */
   createKarmangularConfig: function() {
+    var versions;
+    
     if (grunt.option('fast')){
-      var versions = [util.latestAngular()];
+      versions = [util.latestAngular()];
     } else {
       // For each file found, make sure it's a directory...
-      var versions = grunt.option('angular') ? grunt.option('angular').split(/,/) : null || util.angulars();
+      versions = grunt.option('angular') ? grunt.option('angular').split(/,/) : null || util.angulars();
     }
 
     if (grunt.option('angular')) {
@@ -295,7 +297,7 @@ var util = module.exports = {
   getCurrentTag: function() {
     var out = shell.exec('git tag -l --points-at HEAD', {silent:true});
 
-    return out.output.trim();
+    return out.stdout.trim();
   },
 
   // Get the current release version
@@ -306,19 +308,19 @@ var util = module.exports = {
     var version, tag;
 
     // If there's a tag on this commit, use it as the version
-    if (out.code === 0 && out.output.trim() !== '' && out.output.trim() !== null) {
-      version = out.output.trim();
+    if (out.code === 0 && out.stdout && out.stdout.trim() !== '' && out.stdout.trim() !== null) {
+      version = out.stdout.trim();
       tag = version;
     }
     // ...otherwise, get the most recent stable tag
     else {
       var hash;
 
       // If there isn't one then just get the most recent tag, whatever it is
-      version = shell.exec('git rev-list --tags --max-count=1 | xargs git describe', {silent:true}).output.trim();
+      version = shell.exec('git rev-list --tags --max-count=1 | xargs git describe', {silent:true}).stdout.trim();
 
       // Get the short commit hash from the current commit to append to the most recent tag
-      hash = shell.exec('git rev-parse --short HEAD', {silent:true}).output.trim();
+      hash = shell.exec('git rev-parse --short HEAD', {silent:true}).stdout.trim();
 
       version = version + '-' + hash;
 
@@ -333,7 +335,7 @@ var util = module.exports = {
   getStableVersion: function() {
     var cmd = 'git log --date-order --graph --tags --simplify-by-decoration --pretty=format:\"%ai %h %d\"';
     // grunt.log.writeln(cmd);
-    var out = shell.exec(cmd, {silent:true}).output;
+    var out = shell.exec(cmd, {silent:true}).stdout;
 
     // grunt.log.writeln(lines);