buildx failed with: ERROR: failed to solve: process "/bin/sh -c curl -sSL https://zlib.net/zlib-$ZLIB_VER.tar.gz | tar xz && cd zlib-$ZLIB_VER && CC=\"musl-gcc -fPIC -pie\" LDFLAGS=\"-L$PREFIX/lib\" CFLAGS=\"-I$PREFIX/include\" ./configure --static --prefix=$PREFIX && make -j$(nproc) && make install && cd .. && rm -rf zlib-$ZLIB_VER" did not complete successfully: exit code: 2