Remove type from export in d.ts files

In TypeScript 5.0.0 this is now a supported thing so it causes the imported values to be unusable,
it seems like previous versions of TypeScript just ignored the type and would treat the import as
a value

Fixes auth0#1035

Author: ewanharris

client.d.ts

@@ -1 +1 @@
-export type * from './dist/client';
+export * from './dist/client';

edge.d.ts

@@ -1 +1 @@
-export type * from './dist/edge';
+export * from './dist/edge';

testing.d.ts

@@ -1 +1 @@
-export type * from './dist/helpers/testing';
+export * from './dist/helpers/testing';