add libz-dev package

currently the workflow of pspsdk uses container of this repo, we should also add libz-dev package to this to work properly.

Author: diamant3

prepare.sh

@@ -22,7 +22,8 @@ else
 
     ubuntu | debian)
         sudo apt-get update
-        sudo apt-get -y install texinfo bison flex gettext libgmp3-dev libmpfr-dev libmpc-dev libusb-dev libreadline-dev libcurl4 libcurl4-openssl-dev libssl-dev libarchive-dev libgpgme-dev
+        sudo apt-get -y install texinfo bison flex gettext libgmp3-dev libmpfr-dev libmpc-dev libusb-dev libreadline-dev libcurl4 libcurl4-openssl-dev libssl-dev libarchive-dev libgpgme-dev \
+        libz-dev	
     ;;
     rhel | fedora)
          dnf -y install @development-tools gcc gcc-c++ g++ wget git autoconf automake python3 python3-pip make cmake pkgconf \
@@ -42,4 +43,4 @@ else
     ;;
     esac
 
-fi
+fi