Python dependency: Update pywinpty requirement from ==2.0.* to ==3.0.*

Updates the requirements on pywinpty to permit the latest version.

---
updated-dependencies:
- dependency-name: pywinpty
  dependency-version: 3.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -45,7 +45,7 @@ psycopg[c]==3.2.9
 pyotp==2.*
 python-dateutil==2.*
 pytz==2025.*
-pywinpty==2.0.*; sys_platform=="win32"
+pywinpty==3.0.*; sys_platform=="win32"
 qrcode[pil]==8.*; python_version >= '3.9'
 setuptools==80.*
 SQLAlchemy==2.*