chore(package): update dependencies

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "@angular/common": "^7.1.3",
     "@angular/core": "^7.1.3",
     "@angular/flex-layout": "^7.0.0-beta.19",
-    "@angular/forms": "^7.1.3",
+    "@angular/forms": "7.1.3",
     "@angular/material": "^7.1.1"
   },
   "devDependencies": {
@@ -63,10 +63,10 @@
     "commitplease": "3.2.0",
     "conventional-github-releaser": "2.0.2",
     "core-js": "^2.6.0",
-    "css-loader": "^1.0.0",
+    "css-loader": "^2.0.0",
     "cssnano": "^4.1.7",
     "del": "3.0.0",
-    "gulp": "3.9.1",
+    "gulp": "4.0.0",
     "gulp-bump": "3.1.1",
     "gulp-conventional-changelog": "^2.0.3",
     "gulp-coveralls": "0.1.4",
@@ -86,10 +86,10 @@
     "postcss": "^7.0.5",
     "postcss-strip-inline-comments": "0.1.5",
     "pump": "3.0.0",
-    "raw-loader": "0.5.1",
+    "raw-loader": "1.0.0",
     "rollup": "^0.67.4",
     "rollup-plugin-commonjs": "^9.2.0",
-    "rollup-plugin-node-resolve": "^3.4.0",
+    "rollup-plugin-node-resolve": "^4.0.0",
     "rollup-plugin-sourcemaps": "0.4.2",
     "rollup-plugin-uglify": "3.0.0",
     "run-sequence": "2.2.1",
@@ -101,7 +101,7 @@
     "tsickle": "^0.34.0",
     "tslint": "~5.11.0",
     "typescript": "~3.1.3",
-    "yargs": "12.0.1",
+    "yargs": "12.0.5",
     "zone.js": "^0.8.26"
   },
   "engines": {