fix: fix InfoDict producer

Orycterope · s3bk · commit 94dc9b843425 · 2024-08-02T11:19:22.000+02:00
The parser parsed the wrong key, probably a typo.
diff --git a/pdf/src/object/types.rs b/pdf/src/object/types.rs
@@ -1797,7 +1797,7 @@ pub struct InfoDict {
     #[pdf(key="Creator")]
     pub creator: Option<PdfString>,
 
-    #[pdf(key="Author")]
+    #[pdf(key="Producer")]
     pub producer: Option<PdfString>,
 
     #[pdf(key="CreationDate")]
