Bump ruby-saml from 1.16.0 to 1.17.0

Bumps [ruby-saml](https://github.com/saml-toolkits/ruby-saml) from 1.16.0 to 1.17.0.
- [Release notes](https://github.com/saml-toolkits/ruby-saml/releases)
- [Changelog](https://github.com/SAML-Toolkits/ruby-saml/blob/master/CHANGELOG.md)
- [Commits](SAML-Toolkits/ruby-saml@v1.16.0...v1.17.0)

---
updated-dependencies:
- dependency-name: ruby-saml
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -374,8 +374,7 @@ GEM
     responders (3.1.1)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.7)
     rspec-core (3.13.1)
       rspec-support (~> 3.13.0)
     rspec-expectations (3.13.2)
@@ -393,7 +392,7 @@ GEM
       rspec-mocks (~> 3.13)
       rspec-support (~> 3.13)
     rspec-support (3.13.1)
-    ruby-saml (1.16.0)
+    ruby-saml (1.17.0)
       nokogiri (>= 1.13.10)
       rexml
     ruby-vips (2.2.2)
@@ -440,7 +439,6 @@ GEM
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     stringio (3.1.1)
-    strscan (3.1.0)
     sys-uname (1.3.0)
       ffi (~> 1.1)
     terser (1.2.3)