docs: update 1.23.1

Author: soulteary

README.md

@@ -7,7 +7,7 @@ Nginx Development Environment based on official docker image and official source
 ## Quick Start
 
 ```bash
-docker pull soulteary/prebuilt-nginx-modules:base-1.23.0
+docker pull soulteary/prebuilt-nginx-modules:base-1.23.1
 ```
 
 Example, how to quickly build a nginx addon:
@@ -50,6 +50,7 @@ Pre-built nginx addons binaries based on this project
 
 Below are other available nginx versions.
 
+- 1.23.1
 - 1.23.0
 - 1.22.0
 - 1.21.6

src/.env

@@ -1,2 +1,2 @@
-NGINX_VERSION=1.23.0
-NGINX_SHASUM=cd87fa16c0f086f296b0ae4765ced8f39f559085
+NGINX_VERSION=1.23.1
+NGINX_SHASUM=17015c7a73ba4ec8c64c7d3a09d0c71892740a8d