Update to latest npm deps and sass version

gulpfile.js

@@ -4,7 +4,7 @@
 //:: Initiate npm-modules
 
 const   gulp            = require('gulp'),
-        sass            = require('gulp-sass'),
+        sass            = require('gulp-sass')(require('sass')),
         concat          = require('gulp-concat'),
         livereload      = require('gulp-livereload'),
         notify          = require('gulp-notify'),

package.json

@@ -1,7 +1,7 @@
 {
 	"name": "website_template",
 	"description": "npm & gulp development template",
-	"version": "3.1.0",
+	"version": "3.2.0",
 	"author": "Jan Jastrow",
 	"license": "MIT",
 	"homepage": "https://jan.jastrow.me",
@@ -16,23 +16,21 @@
 		"url": "https://gitea.schwerkraftlabor.de/jan/website_template"
 	},
 	"devDependencies": {
-		"autoprefixer": "^10.2.5",
-		"caniuse-lite": "^1.0.30001228",
-		"cssnano": "^5.0.2",
+		"sass": "^1.49.7",
 		"gulp": "^4.0.2",
+		"gulp-sass": "^5.1.0",
 		"gulp-concat": "^2.6.1",
 		"gulp-livereload": "^4.0.2",
 		"gulp-notify": "^4.0.0",
 		"gulp-plumber": "^1.2.1",
-		"gulp-postcss": "^9.0.0",
+		"gulp-postcss": "^9.0.1",
 		"gulp-rename": "^2.0.0",
-		"gulp-sass": "^4.1.0",
 		"merge2": "^1.4.1",
-		"postcss": "^8.2.15",
 		"rimraf": "^3.0.2",
-		"sanitize.css": "^12.0.1",
-		"node-sass": "^6.0.0",
-		"sass": "^1.32.13"
+		"sanitize.css": "^13.0.0",
+		"autoprefixer": "^10.4.2",
+		"caniuse-lite": "^1.0.30001312",
+		"cssnano": "^5.0.17"
 	},
 	"browserslist": [
 		"last 2 version",