Add multi cores to make

Dockerfile

@@ -21,7 +21,7 @@ RUN echo "deb-src http://deb.debian.org/debian bookworm main contrib" >> /etc/ap
 		--enable-icap-support \
 		--enable-async-io \
 		--with-pthreads \
-        --with-winbind \
+    	--with-winbind \
 		--bindir=/usr/sbin \
 		--sbindir=/usr/sbin \
 		--with-squid=/usr/lib/squid \
@@ -54,7 +54,7 @@ RUN echo "deb-src http://deb.debian.org/debian bookworm main contrib" >> /etc/ap
         --with-pidfile=/squid/squid.pid \
         --with-default-user=squid \
 		--enable-removal-policies="lru,heap" \
-    && make \
+    && make -j4 \
     && find /tmp/ -type f -name "Makefil*" -delete \
     && find /tmp/ -type f -name "*.in" -delete 
 # Install