[github-acction] build jobs failure due to deprecated macOS-12 enviro…

…nment

The macOS-12 environment is deprecated, consider switching to macOS-13, macOS-14 (macos-latest) or macOS-15.

For more details, see actions/runner-images#10721

In addition, removing -s option because the -s option is not supported
by the realpath command in macOS 13 (Ventura) and later versions, so execute realpath differently depending on Linux and MacOS.

script/bootstrap.sh

@@ -114,11 +114,11 @@ elif [ "$(uname)" = "Darwin" ]; then
     ## Install packages
     brew update
     brew install coreutils \
-                    readline \
-                    cmake \
-                    ninja \
-                    swig  \
-                    lcov && true
+                 readline \
+                 cmake \
+                 ninja \
+                 swig  \
+                 lcov && true
 
     brew install llvm@14 && \
     sudo ln -s "$(brew --prefix llvm@14)/bin/clang-format" /usr/local/bin/clang-format-14 && \