chore(gitlab ci): postgres i18n & npm update

.gitlab-ci.yml

@@ -14,6 +14,8 @@ variables:
   POSTGRES_DB: uniworx_test
   POSTGRES_USER: uniworx
   POSTGRES_PASSWORD: uniworx
+  POSTGRES_INITDB_ARGS: "--locale=de-DE --encoding=UTF-8"
+  TZ: Europe/Berlin
 
 stages:
   - setup
@@ -31,6 +33,7 @@ npm install:
     - apt-get update -y
     - npm install -g n
     - n stable
+    - npm install -g npm
   artifacts:
     paths:
       - node_modules/