fix: replace colors with ansi-colors

The author of the colors package purpose broke this package.

See: https://www.bleepingcomputer.com/news/security/dev-corrupts-npm-libs-colors-and-faker-breaking-thousands-of-apps/ and Marak/colors.js#285

Closes karma-runner#3738

lib/reporters/base_color.js

@@ -1,23 +1,23 @@
-require('colors')
+const color = require('ansi-colors');
 
 function BaseColorReporter () {
   this.USE_COLORS = true
 
-  this.LOG_SINGLE_BROWSER = '%s: ' + '%s'.cyan + '\n'
-  this.LOG_MULTI_BROWSER = '%s %s: ' + '%s'.cyan + '\n'
+  this.LOG_SINGLE_BROWSER = '%s: ' + color.cyan('%s') + '\n'
+  this.LOG_MULTI_BROWSER = '%s %s: ' + color.cyan('%s') + '\n'
 
-  this.SPEC_FAILURE = '%s %s FAILED'.red + '\n'
-  this.SPEC_SLOW = '%s SLOW %s: %s'.yellow + '\n'
-  this.ERROR = '%s ERROR'.red + '\n'
+  this.SPEC_FAILURE = color.red('%s %s FAILED') + '\n'
+  this.SPEC_SLOW = color.yellow('%s SLOW %s: %s') + '\n'
+  this.ERROR = color.red('%s ERROR') + '\n'
 
-  this.FINISHED_ERROR = ' ERROR'.red
-  this.FINISHED_SUCCESS = ' SUCCESS'.green
-  this.FINISHED_DISCONNECTED = ' DISCONNECTED'.red
+  this.FINISHED_ERROR = color.red(' ERROR')
+  this.FINISHED_SUCCESS = color.green(' SUCCESS')
+  this.FINISHED_DISCONNECTED = color.red(' DISCONNECTED')
 
-  this.X_FAILED = ' (%d FAILED)'.red
+  this.X_FAILED = color.red(' (%d FAILED)')
 
-  this.TOTAL_SUCCESS = 'TOTAL: %d SUCCESS'.green + '\n'
-  this.TOTAL_FAILED = 'TOTAL: %d FAILED, %d SUCCESS'.red + '\n'
+  this.TOTAL_SUCCESS = color.green('TOTAL: %d SUCCESS') + '\n'
+  this.TOTAL_FAILED = color.red('TOTAL: %d FAILED, %d SUCCESS') + '\n'
 }
 
 // PUBLISH

package.json

@@ -359,10 +359,10 @@
     "Karol Fabjańczuk <[email protected]>"
   ],
   "dependencies": {
+    "ansi-colors": "^4.1.1",
     "bluebird": "^3.3.0",
     "body-parser": "^1.16.1",
     "chokidar": "^2.0.3",
-    "colors": "^1.1.0",
     "combine-lists": "^1.0.0",
     "connect": "^3.6.0",
     "core-js": "^2.2.0",