Upgrade PHP and node.js on OSX

Signed-off-by: Maurício Meneghini Fauth <mauriciofauth@gmail.com>

.travis.yml

@@ -86,12 +86,12 @@ jobs:
       os: osx
       env: CI_MODE=test
       language: node_js
-      node_js: 8
+      node_js: 10
       before_install:
         - brew update
-        - brew install openldap libiconv php@7.2 composer mariadb
+        - brew install openldap libiconv php composer mariadb
         - brew link --force gettext
-        - sed -i -e 's/^memory_limit = .*/memory_limit = -1/' /usr/local/etc/php/7.2/php.ini
+        - sed -i -e 's/^memory_limit = .*/memory_limit = -1/' /usr/local/etc/php/7.3/php.ini
         - mysql.server start
 
     - stage: "PHP Unit tests"