fix: keep as unknown

Author: mnahkies

e2e/openapi.yaml

@@ -366,8 +366,7 @@ components:
             properties:
               rawHeaders:
                 additionalProperties: true
-              typedHeaders:
-                additionalProperties: true
+              typedHeaders: {}
 
   schemas:
     Enumerations:

e2e/src/generated/client/axios/models.ts

@@ -11,7 +11,7 @@ const getHeadersUndeclared: GetHeadersUndeclared = async (
 ) => {
   return respond
     .with200()
-    .body({typedHeaders: headers as any, rawHeaders: req.headers})
+    .body({typedHeaders: headers, rawHeaders: req.headers})
 }
 
 const getHeadersRequest: GetHeadersRequest = async (