add unlocking macos keychain before xcodebuild steps

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

ci/Jenkinsfile

@@ -87,10 +87,16 @@ timeout(90) {
 
         // iOS
         stage('Build (iOS)') {
+          withCredentials([string(
+            credentialsId: "slave-pass-${env.NODE_NAME}",
+            variable: 'password'
+          )]) {
             env.RCT_NO_LAUNCH_PACKAGER = true
+            sh "security unlock-keychain -p ${password} login.keychain"
             sh 'xcodebuild -workspace ios/StatusIm.xcworkspace -scheme StatusIm -configuration release -archivePath status clean archive'
             sh 'xcodebuild -exportArchive -exportPath status -archivePath status.xcarchive -exportOptionsPlist ios/archive-develop.plist'
           }
+        }
 
         stage('Deploy (iOS)') {
           withCredentials([string(credentialsId: 'diawi-token', variable: 'token')]) {