Add ignoreDeprecations: "6.0" to tsconfig for TypeScript 6 compatibility

TypeScript 6.0 treats baseUrl as a deprecated option (error TS5101).
tsup generates a temporary tsconfig during DTS builds that includes
baseUrl, triggering the error. Adding ignoreDeprecations silences it.

Author: JesusAnaya

tsconfig.json

@@ -14,7 +14,8 @@
     "esModuleInterop": true,
     "skipLibCheck": true,
     "isolatedModules": true,
-    "useDefineForClassFields": true
+    "useDefineForClassFields": true,
+    "ignoreDeprecations": "6.0"
   },
   "include": ["src"],
   "exclude": ["node_modules", "dist", "build", "tests"]