ci: move shellcheck binary to local bin

Author: artdotlis

.github/workflows/main.yml

@@ -27,7 +27,7 @@ jobs:
                   sudo apt install -y curl git-lfs wget tar
                   scversion="stable"
                   wget -qO- "https://github.com/koalaman/shellcheck/releases/download/${scversion?}/shellcheck-${scversion?}.linux.x86_64.tar.xz" | tar -xJv
-                  cp "shellcheck-${scversion}/shellcheck" /usr/bin/
+                  cp "shellcheck-${scversion}/shellcheck" $HOME/.local/bin/
                   shellcheck --version
             - name: lint and test
               run: |