Enhance security and localization features across the application

- Added rehype-sanitize plugin to the markdown configuration for improved security against XSS attacks.
- Updated environment variables in the codebase to include new configurations for SMTP and monitoring.
- Implemented secure headers in server and Nginx configurations to bolster security.
- Refactored email handling to prevent spoofing by ensuring safe sender addresses.
- Improved localization by updating language persistence and button components for better user experience.
- Enhanced the uptime API and contact form with better error handling and logging practices.
- Updated dependencies in package.json and package-lock.json for better performance and security.

package.json

@@ -22,11 +22,11 @@
     "fix:prettier": "prettier -w ."
   },
   "dependencies": {
-    "@astrojs/node": "^9.2.2",
+    "@astrojs/node": "^9.5.0",
     "@astrojs/prefetch": "^0.4.1",
-    "@astrojs/react": "^4.2.0",
+    "@astrojs/react": "^4.4.0",
     "@astrojs/rss": "^4.0.11",
-    "@astrojs/sitemap": "^3.2.1",
+    "@astrojs/sitemap": "^3.6.0",
     "@astrolib/analytics": "^0.6.1",
     "@astrolib/seo": "^1.0.0-beta.8",
     "@fontsource-variable/inter": "^5.1.1",
@@ -34,7 +34,7 @@
     "@tippyjs/react": "^4.2.6",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",
-    "astro": "^5.2.3",
+    "astro": "^5.14.6",
     "astro-embed": "^0.9.0",
     "astro-icon": "^1.1.5",
     "compression": "^1.7.4",
@@ -45,9 +45,10 @@
     "jsonwebtoken": "^9.0.2",
     "limax": "4.1.0",
     "lodash.merge": "^4.6.2",
-    "luxon": "^3.6.1",
+    "luxon": "^3.7.2",
+    "mermaid": "^11.12.0",
     "node-fetch": "^3.3.2",
-    "nodemailer": "^6.10.0",
+    "nodemailer": "^7.0.9",
     "rate-limiter-flexible": "^5.0.5",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
@@ -56,36 +57,44 @@
   },
   "devDependencies": {
     "@astrojs/check": "^0.9.4",
-    "@astrojs/mdx": "^4.0.8",
+    "@astrojs/mdx": "^4.3.7",
     "@astrojs/partytown": "^2.1.3",
     "@astrojs/tailwind": "^6.0.0",
-    "@eslint/js": "^9.18.0",
+    "@eslint/js": "^9.38.0",
     "@iconify-json/circle-flags": "^1.2.6",
     "@iconify-json/flat-color-icons": "^1.2.1",
     "@iconify-json/tabler": "^1.2.14",
-    "@tailwindcss/typography": "^0.5.16",
+    "@tailwindcss/typography": "^0.5.19",
     "@types/eslint__js": "^8.42.3",
     "@types/js-yaml": "^4.0.9",
     "@types/jsonwebtoken": "^9.0.9",
     "@types/lodash.merge": "^4.6.9",
     "@types/mdx": "^2.0.13",
-    "@typescript-eslint/eslint-plugin": "^8.21.0",
-    "@typescript-eslint/parser": "^8.21.0",
+    "@typescript-eslint/eslint-plugin": "8.46.1",
+    "@typescript-eslint/parser": "8.46.1",
     "astro-compress": "2.3.6",
     "astro-eslint-parser": "^1.1.0",
-    "eslint": "^9.18.0",
+    "eslint": "^9.38.0",
     "eslint-plugin-astro": "^1.3.1",
-    "globals": "^15.14.0",
+    "globals": "^16.4.0",
     "js-yaml": "^4.1.0",
     "mdast-util-to-string": "^4.0.0",
-    "prettier": "^3.4.2",
+    "prettier": "^3.6.2",
+    "rehype-sanitize": "^6.0.0",
     "prettier-plugin-astro": "^0.14.1",
     "reading-time": "^1.5.0",
     "sharp": "0.33.5",
-    "tailwind-merge": "^2.6.0",
+    "tailwind-merge": "^3.3.1",
     "tailwindcss": "^3.4.17",
-    "typescript": "^5.8.3",
-    "typescript-eslint": "^8.21.0",
+    "typescript": "^5.9.3",
+    "typescript-eslint": "8.46.1",
     "unist-util-visit": "^5.0.0"
+  },
+  "overrides": {
+    "devalue": "^5.3.2",
+    "ws": "^8.17.1",
+    "tar-fs": "^2.1.5",
+    "axios": "^1.12.0",
+    "typescript-eslint": "8.46.1"
   }
 }