Bump msal from 1.25.0 to 1.26.0 in /docker/py3-native (#22717)

Bumps [msal](https://github.com/AzureAD/microsoft-authentication-library-for-python) from 1.25.0 to 1.26.0.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-python/releases)
- [Commits](AzureAD/microsoft-authentication-library-for-python@1.25.0...1.26.0)

---
updated-dependencies:
- dependency-name: msal
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>