Bump cryptography from 44.0.3 to 46.0.6 in /flet-multiplatform-app

Bumps [cryptography](https://github.com/pyca/cryptography) from 44.0.3 to 46.0.6.
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@44.0.3...46.0.6)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-version: 46.0.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

flet-multiplatform-app/pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "psycopg2-binary>=2.9.9,<3.0.0",
     "httpx>=0.27.0,<0.28.0",
     "urllib3>=2.0.0,<3.0.0",
-    "cryptography>=44.0.0,<45.0.0"
+    "cryptography>=44.0.0,<47.0.0"
 ]
 
 [project.optional-dependencies]