FEATURE: update NGINX mainline

FEATURE: update NGINX mainline

diff --git a/image/base/install-nginx b/image/base/install-nginx
index 7b75434..977b38d 100755
--- a/image/base/install-nginx
+++ b/image/base/install-nginx
@@ -2,8 +2,8 @@
 set -e
 
 # version check: https://nginx.org/en/download.html
-VERSION=1.21.0
-HASH="fe192a4bac2bd3a769e8695cb9fe14a00e57eaceb919095347a83b5b2afc0771"
+VERSION=1.21.1
+HASH="68ba0311342115163a0354cad34f90c05a7e8bf689dc498abf07899eda155560"
 
 apt install -y autoconf
 

GitHub sha: a59f824a273ea526e687f1a841512ba277fef93a

This commit appears in #555 which was approved by tgxworld. It was merged by Falco.