try removing i386

Author: TShapinsky

.github/setup-apt.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 
 # install OS prerequisites
-dpkg --add-architecture i386
+# dpkg --add-architecture i386
 apt update
 apt install -y autoconf automake autotools-dev curl python3 python3-pip libmpc-dev libmpfr-dev \
             libgmp-dev gawk build-essential bison flex texinfo gperf libtool \