* feat: add isAddressInfo helper function
* feat(update): add test for rejection UpdateProvider
* feat: add more tests for UpdateProvider
* fixup! move isAddressInfo, add .address check
* fixup! remove extra writeHead
* fixup! use -1 in redirect logic
* fixup! remove unnecessary String call
* fixup! use /latest for redirect
* fixup! use match group for regex
* fixup!: replace match/split logic