Upgrading node itself

And bumping all dependencies to the latest

nodejs/node#38367

package.json

@@ -5,33 +5,31 @@
   "main": "gulpfile.js",
   "type": "module",
   "dependencies": {
-    "breakpoint-sass": "^2.7.1",
-    "fg-loadcss": "^1.3.1",
+    "breakpoint-sass": "^3.0.0",
+    "fg-loadcss": "^3.1.0",
     "gulp-cli": "^2.3.0",
     "jquery": "^3.5.0",
-    "lazysizes": "^5.2.1",
-    "normalize.css": "^7.0.0",
-    "picturefill": "^3.0.2",
-    "velocity-animate": "^1.5.0"
+    "lazysizes": "^5.3.2",
+    "normalize.css": "^8.0.1",
+    "velocity-animate": "^1.5.2"
   },
   "devDependencies": {
-    "eslint": "^5.4.0",
-    "eslint-config-jquery": "^1.0.1",
-    "eslint-plugin-dollar-sign": "^1.0.1",
-    "eslint-plugin-jquery": "^1.3.0",
+    "eslint": "^8.51.0",
+    "eslint-config-jquery": "^3.0.1",
+    "eslint-plugin-dollar-sign": "^1.0.2",
+    "eslint-plugin-jquery": "^1.5.1",
     "gulp": "^4.0.2",
-    "gulp-autoprefixer": "^4.0.0",
+    "gulp-autoprefixer": "^8.0.0",
     "gulp-concat": "^2.6.1",
     "gulp-gh-pages": "^0.5.4",
-    "gulp-htmlmin": "^3.0.0",
-    "gulp-imagemin": "^4.0.0",
-    "gulp-load-plugins": "^1.5.0",
-    "gulp-rename": "^1.2.2",
-    "gulp-responsive": "^2.8.0",
+    "gulp-htmlmin": "^5.0.1",
+    "gulp-imagemin": "^8.0.0",
+    "gulp-load-plugins": "^2.0.8",
+    "gulp-rename": "^2.0.0",
+    "gulp-responsive": "^3.0.1",
     "gulp-sass": "^5.1.0",
-    "gulp-sourcemaps": "^2.6.1",
-    "gulp-uglify": "^3.0.0",
-    "sw-precache": "^5.2.0"
+    "gulp-sourcemaps": "^3.0.0",
+    "gulp-uglify": "^3.0.2"
   },
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",

rebuild_css_and_images.bash

@@ -2,8 +2,13 @@
 
 set -e
 
+sudo mkdir -p /etc/apt/keyrings
+curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | sudo gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg
+export NODE_MAJOR=20
+echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | sudo tee /etc/apt/sources.list.d/nodesource.list
+
 sudo apt-get update && sudo apt-get -y install npm
-npm install .
+CXXFLAGS="--std=c++17" npm install .
 
 node_modules/gulp-cli/bin/gulp.js sass
 node_modules/gulp-cli/bin/gulp.js img