travis-ci: bumped the NGINX core to 1.17.4.

Author: thibaultcha

.travis.yml

@@ -48,9 +48,9 @@ env:
     - DRIZZLE_VER=2011.07.21
     - TEST_NGINX_SLEEP=0.006
   matrix:
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.0.2t OPENSSL_PATCH_VER=1.0.2h
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.0l OPENSSL_PATCH_VER=1.1.0d
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.1d OPENSSL_PATCH_VER=1.1.1c
+    - NGINX_VERSION=1.17.4 OPENSSL_VER=1.0.2t OPENSSL_PATCH_VER=1.0.2h
+    - NGINX_VERSION=1.17.4 OPENSSL_VER=1.1.0l OPENSSL_PATCH_VER=1.1.0d
+    - NGINX_VERSION=1.17.4 OPENSSL_VER=1.1.1d OPENSSL_PATCH_VER=1.1.1c
 
 services:
  - memcache