fix: credential username field remapping on signup

- add `WithUsernameField(...)` wrapper over plugin schema mapping for easier config

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin

chore: update credential-password dependency to v0.1.4 in two-factor …

…plugin