rpm/deb: changed the default worker_processes to auto.

Alpine has been shipping the default auto since the availability of packages
with no known issues.

debian/nginx.conf

diff --git a/debian/nginx.conf b/debian/nginx.conf
index e4bad8d..b78822c 100644
--- a/debian/nginx.conf
+++ b/debian/nginx.conf
@@ -1,6 +1,6 @@
 
 user  nginx;
-worker_processes  1;
+worker_processes  auto;
 
 error_log  /var/log/nginx/error.log warn;
 pid        /var/run/nginx.pid;

rpm/SOURCES/nginx.conf

diff --git a/rpm/SOURCES/nginx.conf b/rpm/SOURCES/nginx.conf
index e4bad8d..b78822c 100644
--- a/rpm/SOURCES/nginx.conf
+++ b/rpm/SOURCES/nginx.conf
@@ -1,6 +1,6 @@
 
 user  nginx;
-worker_processes  1;
+worker_processes  auto;
 
 error_log  /var/log/nginx/error.log warn;
 pid        /var/run/nginx.pid;