Update PdfPig to 0.1.9

Author: BobLd

Tabula/Tabula.csproj

@@ -23,7 +23,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="PdfPig" Version="0.1.9-alpha-20231019-c6e2d" />
+    <PackageReference Include="PdfPig" Version="0.1.9" />
   </ItemGroup>
 
 </Project>