[dev] updated CI deployment file.

Author: winshining

.github/workflows/nginx-http-flv-module.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     env:
-      NGINX_VERSION: nginx-1.22.1
+      NGINX_VERSION: nginx-1.26.2
 
     steps:
     - uses: actions/checkout@v3