Bump omniauth-saml from 1.10.2 to 1.10.3 (#15007)

Bumps [omniauth-saml](https://github.com/omniauth/omniauth-saml) from 1.10.2 to 1.10.3.
- [Release notes](https://github.com/omniauth/omniauth-saml/releases)
- [Changelog](https://github.com/omniauth/omniauth-saml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/omniauth/omniauth-saml/compare/v1.10.2...v1.10.3)

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

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

Gemfile.lock

@@ -375,7 +375,7 @@ GEM
       addressable (~> 2.3)
       nokogiri (~> 1.5)
       omniauth (~> 1.2)
-    omniauth-saml (1.10.2)
+    omniauth-saml (1.10.3)
       omniauth (~> 1.3, >= 1.3.2)
       ruby-saml (~> 1.9)
     openssl (2.2.0)