fix: CJS compatibility in @react-pdf/pdfkit (#2610)

Missed that one in #2607!

Author: wojtekmaj

.changeset/silver-poems-look.md

@@ -0,0 +1,5 @@
+---
+"@react-pdf/pdfkit": patch
+---
+
+fix: fix CJS compatibility

packages/pdfkit/rollup.config.js

@@ -12,7 +12,8 @@ import pkg from './package.json' assert { type: 'json' };
 
 const cjs = {
   exports: 'named',
-  format: 'cjs'
+  format: 'cjs',
+  interop: 'compat'
 };
 
 const esm = {