Merge origin/main into origin/dev-moritz

package.json

@@ -31,21 +31,15 @@
     "@trpc/client": "^10.45.2",
     "@trpc/server": "^10.45.2",
     "astro": "^4.16.10",
-    "astro-i18next": "1.0.0-beta.21",
     "body-scroll-lock": "^4.0.0-beta.0",
     "buffer": "^6.0.3",
     "bun": "^1.1.34",
-    "caniuse-lite": "^1.0.30001684",
     "csvtojson": "^2.0.10",
     "express": "^4.21.1",
     "flag-icons": "^6.15.0",
     "fontkit": "^2.0.4",
-    "i18next": "^23.16.5",
-    "i18next-fs-backend": "^2.3.2",
-    "i18next-http-backend": "^2.6.2",
     "js-cookie": "^3.0.5",
     "js-interpolate": "^1.3.1",
-    "katex": "^0.16.11",
     "moment": "^2.30.1",
     "moment-timezone": "^0.5.46",
     "pdf-lib": "^1.17.1",