move the local path in the build prod artifact stage to make the tests

quicker

Jenkinsfile

@@ -18,7 +18,6 @@ pipeline {
     }
     stage('Build dependencies') {
       steps {
-        sh 'bundle config set --local path "vendor"'
         sh 'bundle install'
         sh 'sequel -m db/migrations sqlite://db/${DB_NAME}'
       }
@@ -68,6 +67,7 @@ pipeline {
             ZIP_FILE="url-shortener_${BRANCH_NAME}_$(date "+%Y-%m-%d_%H-%M-%S").tgz"
             CUR_DIR=$(pwd)
             bundle config set --local without 'test'
+            bundle config set --local path "vendor"
             bundle clean
             mkdir -p /tmp/url-shortener
             cp -R * /tmp/url-shortener