Bump ruby-saml from 1.15.0 to 1.17.0

Bumps [ruby-saml](https://github.com/saml-toolkits/ruby-saml) from 1.15.0 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@v1.15.0...v1.17.0)

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

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

Gemfile.lock

@@ -359,8 +359,7 @@ GEM
     responders (3.1.0)
       actionpack (>= 5.2)
       railties (>= 5.2)
-    rexml (3.3.6)
-      strscan
+    rexml (3.3.7)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -415,7 +414,7 @@ GEM
       rubocop (~> 1.33)
       rubocop-capybara (~> 2.17)
     ruby-progressbar (1.11.0)
-    ruby-saml (1.15.0)
+    ruby-saml (1.17.0)
       nokogiri (>= 1.13.10)
       rexml
     rubyzip (2.3.2)
@@ -451,7 +450,6 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    strscan (3.1.0)
     terrapin (0.6.0)
       climate_control (>= 0.0.3, < 1.0)
     terser (1.1.14)