run bundle install, specify bundle home for jenkins

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ci/Jenkinsfile.android

@@ -15,6 +15,7 @@ pipeline {
     LC_ALL = 'en_US.UTF-8'
     FASTLANE_DISABLE_COLORS = 1
     REALM_DISABLE_ANALYTICS = 1
+    BUNDLE_PATH = "${HOME}/.bundle"
     ANDROID_HOME = '/usr/local/share/android-sdk'
     ANDROID_SDK_ROOT = '/usr/local/share/android-sdk'
     ANDROID_NDK = '/Users/jenkins/android-ndk-r10e'

ci/Jenkinsfile.ios

@@ -15,6 +15,7 @@ pipeline {
     LC_ALL = 'en_US.UTF-8'
     FASTLANE_DISABLE_COLORS=1
     REALM_DISABLE_ANALYTICS=1
+    BUNDLE_PATH = "${HOME}/.bundle"
   }
   
   stages {

ci/mobile.groovy

@@ -48,6 +48,8 @@ def prep(type = 'nightly') {
       sh 'cp .env.jenkins .env'; break
   }
   common.installJSDeps('mobile')
+  /* install ruby dependencies */
+  sh 'bundle install --quiet'
   /* install Maven dependencies */
   sh 'mvn -f modules/react-native-status/ios/RCTStatus dependency:unpack'
   /* generate ios/StatusIm.xcworkspace */