fix(#586): Update default error messaging for input fields

[obliviga]

Description

The purpose of this PR is to make the default inline input error messages more specific to the input field's label. Currently, the default error is too vague, and is likely to confuse screen reader users.

Original issue(s)

https://github.com/department-of-veterans-affairs/va-forms-system-core/issues/586

Screenshots

Definition of done

• [ ] Package.json version has been updated to match Github release tag
• [ ] Documentation has been updated, if applicable
• [ ] A link to the original github issue has been provided
• [ ] No sensitive information (i.e. PII/credentials/internal URLs etc.) is captured in logging, hardcoded, or specs

[va-vsp-bot]

:tada: This PR is included in version 1.6.2 :tada:

The release is available on GitHub release

Your semantic-release bot :package::rocket: