Update to node 14

package.json

@@ -109,8 +109,8 @@
     "base64-js": "^1.3.1",
     "bluebird": "^3.5.5",
     "body-parser": "^1.19.0",
-    "bootstrap": "^4.3.1",
-    "canvas": "^2.6.0",
+    "bootstrap": "^4.6.2",
+    "canvas": "^3.2.1",
     "canvas-toBlob": "^1.0.0",
     "chai": "^4.2.0",
     "chai-as-promised": "^7.1.1",
@@ -145,7 +145,7 @@
     "gulp-live-server": "0.0.31",
     "gulp-plumber": "^1.2.1",
     "gulp-rev": "^9.0.0",
-    "gulp-sass": "^4.0.2",
+    "gulp-sass": "^5.1.0",
     "gulp-shell": "^0.7.1",
     "gulp-sizereport": "^1.2.1",
     "gulp-sourcemaps": "^2.6.5",
@@ -164,7 +164,6 @@
     "morgan": "^1.9.1",
     "ngx-bootstrap": "^5.1.1",
     "node-ipc": "^9.1.1",
-    "node-sass": "^4.12.0",
     "parallel-webpack": "^2.4.0",
     "passport": "^0.4.0",
     "passport-deviantart": "0.0.5",
@@ -186,6 +185,7 @@
     "request-promise": "^4.2.4",
     "rollbar": "^2.12.2",
     "rxjs": "^6.5.2",
+    "sass": "^1.58.3",
     "sass-loader": "^7.3.1",
     "serve-favicon": "^2.5.0",
     "sinon": "^7.4.1",