Update docs

docs/modules/api/pages/proxy.adoc

@@ -1138,6 +1138,8 @@ reinstated if the upgrade retains upgradeability but removes the security mechan
 
 The {_authorizeUpgrade} function must be overridden to include access restriction to the upgrade mechanism.
 
+@custom:stateless
+
 [.contract-index]
 .Modifiers
 --

docs/modules/api/pages/token/ERC1155.adoc

@@ -1462,6 +1462,8 @@ Simple implementation of `IERC1155Receiver` that will allow a contract to hold E
 IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
 stuck.
 
+@custom:stateless
+
 [.contract-index]
 .Functions
 --

docs/modules/api/pages/token/ERC721.adoc

@@ -2971,6 +2971,8 @@ Accepts all token transfers.
 Make sure the contract is able to use its token with {IERC721-safeTransferFrom}, {IERC721-approve} or
 {IERC721-setApprovalForAll}.
 
+@custom:stateless
+
 [.contract-index]
 .Functions
 --

docs/modules/api/pages/utils.adoc

@@ -2476,6 +2476,8 @@ function supportsInterface(bytes4 interfaceId) public view virtual override retu
 }
 ```
 
+@custom:stateless
+
 [.contract-index]
 .Functions
 --
@@ -4482,6 +4484,8 @@ import "@openzeppelin/contracts/utils/Multicall.sol";
 
 Provides a function to batch together multiple calls in a single external call.
 
+@custom:stateless
+
 [.contract-index]
 .Functions
 --