chore(package): update build scripts in package.json to use cross-env for platform-specific builds and add codec2 installation in GitHub CI script for macOS

scripts/ci/github-install-deps.sh

@@ -7,5 +7,16 @@ cd "$ROOT"
 
 export GIT_TERMINAL_PROMPT=0
 
+# pycodec2 builds against libcodec2
+if [[ "$(uname -s)" == "Darwin" ]]; then
+    brew install codec2
+    _codec2_prefix="$(brew --prefix codec2)"
+    export CPPFLAGS="${CPPFLAGS:-} -I${_codec2_prefix}/include"
+    export LDFLAGS="${LDFLAGS:-} -L${_codec2_prefix}/lib"
+    if [[ -d "${_codec2_prefix}/lib/pkgconfig" ]]; then
+        export PKG_CONFIG_PATH="${_codec2_prefix}/lib/pkgconfig:${PKG_CONFIG_PATH:-}"
+    fi
+fi
+
 python -m poetry install --no-interaction --no-ansi
 pnpm install --frozen-lockfile