Update Pdfium libraries

 # Changelog
 
+## 5.4.3
+
+- Update Pdfium libraries
+
 ## 5.4.2
 
 - Use proper print dialog on Firefox

@@ -16,7 +16,7 @@ cmake_minimum_required(VERSION 3.10)
 set(PROJECT_NAME "printing")
 project(${PROJECT_NAME} LANGUAGES CXX)
 
-set(PDFIUM_VERSION "latest")
+set(PDFIUM_VERSION "4542")
 
 if(${PDFIUM_VERSION} STREQUAL "latest")
   set(PDFIUM_URL "https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-linux.tgz")

@@ -7,7 +7,7 @@ description: >
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/printing
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 5.4.2
+version: 5.4.3
 
 environment:
   sdk: ">=2.12.0 <3.0.0"

@@ -17,7 +17,7 @@ set(PROJECT_NAME "printing")
 project(${PROJECT_NAME} LANGUAGES CXX)
 
 set(ARCH "x64")
-set(PDFIUM_VERSION "4503")
+set(PDFIUM_VERSION "4549")
 
 if(${PDFIUM_VERSION} STREQUAL "latest")
   set(PDFIUM_URL "https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-windows-${ARCH}.zip")