ci(encoders): fix encoders framework test [backport #4750 to 1.6] (#4754)

Co-authored-by: Brett Langdon <[email protected]>

Author: mabdinur

scripts/profiles/encoders/setup.sh

@@ -20,6 +20,7 @@ pip install pip --upgrade
 
 # Install austin
 pushd ${PREFIX}
+    sudo apt update
     sudo apt-get -y install libunwind-dev binutils-dev libiberty-dev
     git clone --depth=1 https://github.com/p403n1x87/austin.git -b devel
     pushd austin