Use tag instead of branch

Author: Pontus123456

src/Pdf2Html/Dockerfile

@@ -5,7 +5,7 @@ FROM ubuntu:noble AS build-pdf2htmlex
 
 WORKDIR /source
 RUN apt update && apt install -y git patch sudo
-RUN git clone --depth=1 --branch feature/cfl-patches https://github.com/CoreFiling/pdf2htmlEX
+RUN git clone --depth=1 --branch 0.18.8.rc1-cfl4 https://github.com/CoreFiling/pdf2htmlEX
 WORKDIR /source/pdf2htmlEX
 
 RUN ./buildScripts/buildInstallLocallyApt