Remove deprecated number attribute from random_password and random_string resources

[bendbennett]

Terraform CLI and Provider Versions

0.12

Use Cases or Problem Statement

In order to align attribute naming, number was deprecated and numeric added in v3.3.0.

We now have the following attributes:

• lower and min_lower
• upper and min_upper
• special and min_special
• numeric and min_numeric

Proposal

With the next major release we can remove the number attribute.

How much impact is this issue causing?

Low

Additional Information

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[bendbennett]

Closed by #177

[github-actions]

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