buildRelease.sh: Make bundler operations in the cloned repository folder.

Tools/Release/buildRelease.sh

@@ -43,6 +43,14 @@ git clone $REPO_URL --depth=1 --branch $TAG
 cd $REPO_NAME
 
 
+# Fastlane update
+gem install bundler
+bundle install
+bundle update
+
+# Update fastlane plugins
+bundle exec fastlane update_plugins
+
 # Use appropriated dependencies according to the current branch
 bundle exec fastlane point_dependencies_to_same_feature