travis-ci: upgrade openssl to 1.1.1m, pcre to 8.45. (openresty#379)

Author: Johnny Wang

.travis.yml

@@ -1,3 +1,4 @@
+---
 sudo: required
 dist: bionic
 
@@ -33,7 +34,7 @@ env:
     - LUAJIT_INC=$LUAJIT_PREFIX/include/luajit-2.1
     - LUA_INCLUDE_DIR=$LUAJIT_INC
     - LUA_CMODULE_DIR=/lib
-    - PCRE_VER=8.40
+    - PCRE_VER=8.45
     - PCRE_PREFIX=/opt/pcre
     - PCRE_LIB=$PCRE_PREFIX/lib
     - PCRE_INC=$PCRE_PREFIX/include
@@ -45,7 +46,7 @@ env:
     - TEST_NGINX_RANDOMIZE=1
     - LUACHECK_VER=0.21.1
   matrix:
-    - NGINX_VERSION=1.21.4 OPENSSL_VER=1.1.1l OPENSSL_PATCH_VER=1.1.1f
+    - NGINX_VERSION=1.21.4 OPENSSL_VER=1.1.1m OPENSSL_PATCH_VER=1.1.1f
 
 services:
   - memcache