fix "Go to Riskified App" link in production
move vendor field up to order
add group_name to customer
Squashed 'lib/riskified_php_sdk/' changes from e047fd7..b442a5d

b442a5d Merge remote-tracking branch 'origin/master'
b088a02 split validation constants to separate file added group_name to customer, vendor to order models.

git-subtree-dir: lib/riskified_php_sdk
git-subtree-split: b442a5d61492a06b842c387c4b140582a55496d0
updating riskified_php_sdk subtree
bump version to 1.0.6.3