ERC4907： Change status to Last Call (ethereum#5098)

* Mark ERC-4907 for Review

* optimize for gas saving

* Change status to Last Call

* Change ERC721 to ERC-721

* add last-call-deadline

Co-authored-by: Anders <anders@emojidao.org>

EIPS/eip-4907.md

@@ -4,7 +4,8 @@ title: Rental NFT, ERC-721 User And Expires Extension
 description: Add a time-limited role with restricted permissions to ERC-721 tokens.
 author: Anders (@0xanders), Lance (@LanceSnow), Shrug <shrug@emojidao.org>
 discussions-to: https://ethereum-magicians.org/t/idea-erc-721-user-and-expires-extension/8572
-status: Review
+status: Last Call
+last-call-deadline: 2022-06-14
 type: Standards Track
 category: ERC
 created: 2022-03-11
@@ -87,9 +88,9 @@ In the spirit of permission less interoperability, this standard makes it easier
 
 ## Backwards Compatibility
 
-As mentioned in the specifications section, this standard can be fully ERC721 compatible by adding an extension function set.
+As mentioned in the specifications section, this standard can be fully ERC-721 compatible by adding an extension function set.
 
-In addition, new functions introduced in this standard have many similarities with the existing functions in ERC721. This allows developers to easily adopt the standard quickly.
+In addition, new functions introduced in this standard have many similarities with the existing functions in ERC-721. This allows developers to easily adopt the standard quickly.
 
 ## Test Cases