fix: bump django-otp from 1.0.2 to 1.5.4 (#22)

## Summary by Sourcery

Bump django-otp from version 1.0.2 to 1.5.4, introducing several
enhancements and bug fixes. Key improvements include support for the
segno library for QR codes, a new signal for OTP verification failures,
and enhanced admin search capabilities. Additionally, a bug fix
addresses issues with proxy models in device model iteration.

Bug Fixes:
- Fix issues related to proxy models by discarding them when iterating
device models.

Enhancements:
- Add support for the segno library for generating QR codes, providing
an alternative to the previously supported qrcode library.
- Introduce a new signal for OTP verification failures, allowing better
handling of such events.
- Enhance admin search functionality by allowing searches using username
and email.

dropship_project/requirements.txt

@@ -4,7 +4,7 @@ django-oauth-toolkit==3.0.1
 django-allauth==65.3.0
 django-axes==7.0.1
 django-recaptcha==2.0.6
-django-otp==1.0.2
+django-otp==1.5.4
 django-two-factor-auth==1.17.0
 django-sendgrid-v5==1.2.4
 django-crispy-forms==2.3