update build

Author: le0pard

Dockerfile

@@ -30,7 +30,7 @@ RUN git clone https://github.com/openvenues/libpostal /code/libpostal
 WORKDIR /code/libpostal
 RUN ./bootstrap.sh && \
   ./configure --datadir=/usr/share/libpostal $([ "$TARGETARCH" = "arm64" ] && echo "--disable-sse2" || echo "") && \
-  make -j2 && make check && make install && \
+  make -j4 && make check && make install && \
   ldconfig
 
 # Create and change to the app directory.