Improve linux portable binaries (#1693)

* not always gh mac runners have nproc utility

* deprecate Ubuntu 20.04

* fix linking issues of portable tonlibjson.dylib

* bind libgsl and libblas into portable binaries

Author: neodix42

.github/workflows/build-ton-linux-x86-64-appimage.yml

@@ -21,8 +21,7 @@ jobs:
     - name: Install system libraries
       run: |
         sudo apt update
-        sudo apt install -y build-essential git cmake ninja-build zlib1g-dev libsecp256k1-dev libmicrohttpd-dev libsodium-dev liblz4-dev ccache
-        sudo apt remove libgsl-dev
+        sudo apt install -y build-essential git cmake ninja-build zlib1g-dev libsecp256k1-dev libmicrohttpd-dev libsodium-dev liblz4-dev ccache libgsl-dev libblas-dev        
         mkdir ~/.ccache 3pp
 
     - name: Install clang-16

assembly/appimage/create-appimages.sh

@@ -35,6 +35,8 @@ for file in ../artifacts/*; do
       /lib/$ARCH-linux-gnu/libmicrohttpd.so.12 \
       /lib/$ARCH-linux-gnu/libreadline.so.8 \
       /lib/$ARCH-linux-gnu/libstdc++.so.6 \
+      /lib/$ARCH-linux-gnu/libgsl.so.27 \
+      /lib/$ARCH-linux-gnu/libblas.so.3 \
       $appName.AppDir/usr/lib/
 
     chmod +x ./$appName.AppDir/usr/bin/$appName