chore: update dependencies and devDepencies:

 @coreui/coreui     ^4.0.0-beta.0  →     ^4.0.0-rc.0
 browser-sync             ^2.19.0  →        ^2.26.14
 postcss                  ^8.2.13  →         ^8.2.14

Author: mrholek

package-lock.json

@@ -79,11 +79,10 @@
   },
   "dependencies": {
     "@coreui/chartjs": "^3.0.0-alpha.0",
-    "@coreui/coreui": "^4.0.0-beta.0",
+    "@coreui/coreui": "^4.0.0-rc.0",
     "@coreui/icons": "^2.0.1",
     "@coreui/utils": "^1.3.1",
-    "chart.js": "^3.2.1",
-    "perfect-scrollbar": "1.5.0"
+    "chart.js": "^3.2.1"
   },
   "devDependencies": {
     "@babel/cli": "^7.13.16",
@@ -95,7 +94,7 @@
     "autoprefixer": "^10.2.5",
     "babel-eslint": "^10.1.0",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.2",
-    "browser-sync": "^2.19.0",
+    "browser-sync": "^2.26.14",
     "chalk": "^4.1.1",
     "clean-css-cli": "^5.3.0",
     "copyfiles": "^2.4.1",
@@ -113,7 +112,7 @@
     "node-sass": "^5.0.0",
     "nodemon": "^2.0.7",
     "npm-run-all": "^4.1.5",
-    "postcss": "^8.2.13",
+    "postcss": "^8.2.14",
     "postcss-cli": "^8.3.1",
     "postcss-combine-duplicated-selectors": "^10.0.2",
     "postcss-merge-rules": "^5.0.0",