Update devDependencies.

package.json

@@ -72,7 +72,7 @@
     "docs-lint": "node build/vnu-jar.js",
     "docs-serve": "bundle exec jekyll serve",
     "docs-serve-only": "npm run docs-serve -- --skip-initial-build --no-watch",
-    "update-deps": "ncu -a -x \"eslint,karma,stylelint\" && npm update && bundle update && cross-env-shell echo Manually update \\\"site/docs/$npm_package_version_short/assets/js/vendor/\\\"",
+    "update-deps": "ncu -a -x \"eslint,karma,karma-qunit,stylelint\" && npm update && bundle update && cross-env-shell echo Manually update \\\"site/docs/$npm_package_version_short/assets/js/vendor/\\\"",
     "release": "npm-run-all dist release-sri release-zip docs-production",
     "release-sri": "node build/generate-sri.js",
     "release-version": "node build/change-version.js",
@@ -113,10 +113,10 @@
     "broken-link-checker": "^0.7.8",
     "bundlesize": "^0.18.0",
     "clean-css-cli": "^4.3.0",
-    "coveralls": "^3.0.4",
+    "coveralls": "^3.0.5",
     "cross-env": "^5.2.0",
     "eslint": "^5.16.0",
-    "find-unused-sass-variables": "^0.4.0",
+    "find-unused-sass-variables": "^0.4.1",
     "glob": "^7.1.4",
     "hammer-simulator": "0.0.1",
     "http-server": "^0.11.1",
@@ -124,11 +124,11 @@
     "jquery": "^3.4.1",
     "karma": "^3.1.4",
     "karma-browserstack-launcher": "^1.5.1",
-    "karma-chrome-launcher": "^2.2.0",
+    "karma-chrome-launcher": "^3.0.0",
     "karma-coverage-istanbul-reporter": "^2.0.5",
     "karma-detect-browsers": "^2.3.3",
     "karma-firefox-launcher": "^1.1.0",
-    "karma-qunit": "^3.1.2",
+    "karma-qunit": "^3.1.3",
     "karma-sinon": "^1.0.5",
     "node-sass": "^4.12.0",
     "nodemon": "^1.19.1",
@@ -136,7 +136,7 @@
     "popper.js": "^1.15.0",
     "postcss-cli": "^6.1.3",
     "qunit": "^2.9.2",
-    "rollup": "^1.16.7",
+    "rollup": "^1.17.0",
     "rollup-plugin-babel": "^4.3.3",
     "rollup-plugin-commonjs": "^10.0.1",
     "rollup-plugin-node-resolve": "^5.2.0",