The new password for the specified IAM user.
The regex pattern used to validate
this parameter is a string of characters consisting of the following:
Any printable ASCII character ranging from the space character
(U+0020) through the end of the ASCII character range
The printable characters in the Basic Latin and Latin-1 Supplement
character set (through U+00FF)
The special characters tab (U+0009), line feed (U+000A), and
carriage return (U+000D)
However, the format can be further restricted by the account
administrator by setting a password policy on the AWS account. For more
information, see UpdateAccountPasswordPolicy.