Build: Update all npm dependencies

That should help with some reported security issues.

Closes gh-429

Author: mgol

package-lock.json

@@ -26,30 +26,30 @@
 		"jquery": ">=3 <4"
 	},
 	"devDependencies": {
-		"chalk": "4.0.0",
+		"chalk": "4.1.1",
 		"commitplease": "3.2.0",
 		"enquirer": "2.3.6",
-		"eslint": "7.2.0",
+		"eslint": "7.25.0",
 		"eslint-config-jquery": "3.0.0",
-		"eslint-plugin-import": "2.21.1",
-		"grunt": "1.3.0",
-		"grunt-cli": "1.3.2",
+		"eslint-plugin-import": "2.22.1",
+		"grunt": "1.4.0",
+		"grunt-cli": "1.4.2",
 		"grunt-compare-size": "0.4.2",
-		"grunt-contrib-uglify": "4.0.1",
+		"grunt-contrib-uglify": "5.0.1",
 		"grunt-contrib-watch": "1.1.0",
 		"grunt-eslint": "23.0.0",
 		"grunt-karma": "4.0.0",
 		"grunt-npmcopy": "0.2.0",
 		"gzip-js": "0.3.2",
-		"karma": "5.0.9",
+		"karma": "6.3.2",
 		"karma-browserstack-launcher": "1.6.0",
 		"karma-chrome-launcher": "3.1.0",
-		"karma-firefox-launcher": "1.3.0",
-		"karma-qunit": "4.1.1",
+		"karma-firefox-launcher": "2.1.0",
+		"karma-qunit": "4.1.2",
 		"load-grunt-tasks": "5.1.0",
 		"native-promise-only": "0.8.1",
-		"qunit": "2.10.0",
-		"rollup": "2.15.0",
+		"qunit": "2.15.0",
+		"rollup": "2.47.0",
 		"testswarm": "1.1.2"
 	},
 	"keywords": [