Convert build scripts to CMake (#13427)

scripts/build-cares.sh

@@ -1,24 +0,0 @@
-#!/usr/bin/env bash
-set -exo pipefail
-
-export FORCE_PIC=1
-source $(dirname -- "${BASH_SOURCE[0]}")/env.sh
-
-cd $BUN_DEPS_DIR/c-ares
-
-rm -rf build CMakeCache.txt CMakeFiles
-mkdir -p build
-
-cd build
-
-cmake "${CMAKE_FLAGS[@]}" .. \
-  -DCMAKE_INSTALL_LIBDIR=lib \
-  -DCARES_STATIC=ON \
-  -DCARES_STATIC_PIC=OFF \
-  -DCARES_SHARED=OFF \
-  -DCARES_BUILD_TOOLS=ON \
-  -G "Ninja"
-
-ninja
-
-cp lib/libcares.a $BUN_DEPS_OUT_DIR/libcares.a