amd64 workflow: install lua5.4 from source & update luzer version

Author: Antwy

.github/workflows/amd64.yml

@@ -22,15 +22,19 @@ jobs:
     - name: Run tests
       run: |
         sudo apt update && sudo apt install -y gdb pip curl python3-dev llvm \
-            openjdk-17-jdk ca-certificates gnupg lua5.4 liblua5.4-dev libcurl4-gnutls-dev
+            openjdk-17-jdk ca-certificates gnupg libcurl4-gnutls-dev
+        wget https://www.lua.org/ftp/lua-5.4.7.tar.gz && tar zxf lua-5.4.7.tar.gz && cd lua-5.4.7 && \
+            sed -i 's/std=gnu99/std=gnu99 -fPIC/1' src/Makefile && \
+            sed -i 's/Wextra/Wextra -fPIC/1' src/Makefile && make all test && sudo make install
+        ln -s $(which lua) $(which lua)5.4
         wget https://luarocks.org/releases/luarocks-3.11.1.tar.gz && tar zxpf luarocks-3.11.1.tar.gz && \
             cd luarocks-3.11.1 && ./configure && make && sudo make install && cd .. && rm -rf luarocks-3.11.1.tar.gz luarocks-3.11.1
         eval $(luarocks path)
         wget https://github.com/tarantool/luajit/archive/refs/tags/v2.1.0-beta3.tar.gz && \
             tar zxpf v2.1.0-beta3.tar.gz && rm v2.1.0-beta3.tar.gz && cd luajit-2.1.0-beta3 && \
             make && sudo make install && sudo ln -sf luajit-2.1.0-beta3 /usr/local/bin/luajit && cd .. && rm -rf luajit-2.1.0-beta3
         git clone https://github.com/ligurio/luzer.git && \
-            cd luzer && git checkout 6e3276c5e6faf18c8c98637162bea0a23f0cd1d3 && luarocks --local build && cd ..
+            cd luzer && git checkout 649289aa945b7d6c1e2c29edccc83fd3fbe70568 && luarocks build --pack-binary-rock && cd ..
         export LUA_CPATH="/home/runner/work/casr/casr/luzer/build.luarocks/luzer/?.so;$LUA_CPATH"
         # Atheris fails to install on Ubuntu 24.04, see https://github.com/google/atheris/issues/82
         # pip3 install atheris