[braintree] Update to 4.46.* (#16200)

Author: donbarbos

stubs/braintree/METADATA.toml

@@ -1,2 +1,2 @@
-version = "4.45.*"
+version = "4.46.*"
 upstream-repository = "https://github.com/braintree/braintree_python"

stubs/braintree/braintree/error_codes.pyi

@@ -314,6 +314,8 @@ class ErrorCodes:
         CannotVaultOneTimeUsePayPalAccount: Final = "82902"
         ConsentCodeOrAccessTokenIsRequired: Final = "82901"
         CustomerIdIsRequiredForVaulting: Final = "82905"
+        EmailFormatIsInvalid: Final = "92963"
+        EmailIsTooLong: Final = "92964"
         InvalidParamsForPayPalAccountUpdate: Final = "92915"
         PayPalAccountsAreNotAccepted: Final = "82904"
         PayPalCommunicationError: Final = "92910"

stubs/braintree/braintree/util/validation.pyi

@@ -0,0 +1,6 @@
+import re
+from typing import Final
+
+VALID_PATH_SEGMENT_REGEX: Final[re.Pattern[str]]
+
+def is_invalid_path_segment(value: object) -> bool: ...