chore: update to ESLint 10

no-useless-assignment joined the recommended set and does not understand runes,
reading every `$bindable()` prop default as a dead store; off for Svelte files.
Carries @eslint/js, @eslint/compat, globals and @types/node with it.

frontend/package.json

@@ -15,8 +15,8 @@
 		"lint": "prettier --check . && eslint ."
 	},
 	"devDependencies": {
-		"@eslint/compat": "^1.4.1",
-		"@eslint/js": "^9.39.5",
+		"@eslint/compat": "^2.1.0",
+		"@eslint/js": "^10.0.1",
 		"@iconify/svelte": "^5.2.2",
 		"@internationalized/date": "^3.12.3",
 		"@lucide/svelte": "^0.544.0",
@@ -24,13 +24,13 @@
 		"@sveltejs/kit": "^2.70.2",
 		"@sveltejs/vite-plugin-svelte": "^6.2.4",
 		"@tailwindcss/vite": "^4.3.3",
-		"@types/node": "^22.20.1",
+		"@types/node": "^26.2.0",
 		"bits-ui": "^2.18.1",
 		"clsx": "^2.1.1",
-		"eslint": "^9.39.5",
+		"eslint": "^10.8.1",
 		"eslint-config-prettier": "^10.1.8",
 		"eslint-plugin-svelte": "^3.23.0",
-		"globals": "^16.5.0",
+		"globals": "^17.11.0",
 		"jsrepo": "^2.5.2",
 		"openapi-typescript": "^7.13.0",
 		"prettier": "^3.9.6",