Fixed compilation error on triul_ctor on Windows with Python 3.10

[oleksandr-pavlyk]

Use full qualifier in template parameter to fix build break on Windows with CPython 3.10

• Have you provided a meaningful PR description?
• Have you tested your changes locally for CPU and GPU devices?
• Have you made sure that new changes do not introduce compiler warnings?

[github-actions]

View rendered docs @ https://intelpython.github.io/dpctl/pulls/978/index.html

[coveralls]

Coverage remained the same at 82.032% when pulling f0e6afc on use-full-type-qualifier-in-triul_ctor into 70ec4d7 on master.

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev1=py310h8c27c75_49 ran successfully.
Passed: 33
Failed: 801
Skipped: 3138

[github-actions]

Deleted rendered PR docs from intelpython.github.com/dpctl, latest should be updated shortly. 🤞

[github-actions]

Array API standard conformance tests for dpctl=0.14.0dev1=py310h8c27c75_55 ran successfully.
Passed: 33
Failed: 801
Skipped: 3138