Bump frontend and Go x/ dependencies

- vite 7→8, @sveltejs/vite-plugin-svelte 6→7, typescript 5→6
- golang.org/x/crypto v0.49→v0.50, golang.org/x/sys v0.42→v0.43 (both modules)

frontend/package.json

@@ -18,14 +18,14 @@
 		"@fontsource/instrument-serif": "^5.2.8",
 		"@sveltejs/adapter-static": "^3.0.10",
 		"@sveltejs/kit": "^2.50.2",
-		"@sveltejs/vite-plugin-svelte": "^6.2.4",
+		"@sveltejs/vite-plugin-svelte": "^7.0.0",
 		"@tailwindcss/vite": "^4.2.1",
 		"bits-ui": "^2.16.3",
 		"svelte": "^5.51.0",
 		"svelte-check": "^4.4.2",
 		"tailwindcss": "^4.2.1",
-		"typescript": "^5.9.3",
-		"vite": "^7.3.1"
+		"typescript": "^6.0.2",
+		"vite": "^8.0.8"
 	},
 	"dependencies": {
 		"@xterm/addon-fit": "^0.11.0",