Bump 24slides/laravel-saml2 from 2.4.2 to 2.5.2

Bumps [24slides/laravel-saml2](https://github.com/24Slides/laravel-saml2) from 2.4.2 to 2.5.2.
- [Release notes](https://github.com/24Slides/laravel-saml2/releases)
- [Changelog](https://github.com/scaler-tech/laravel-saml2/blob/master/CHANGELOG.md)
- [Commits](scaler-tech/laravel-saml2@2.4.2...2.5.2)

---
updated-dependencies:
- dependency-name: 24slides/laravel-saml2
  dependency-version: 2.5.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

composer.json

@@ -24,7 +24,7 @@
     "ext-xml": "*",
     "ext-xsl": "*",
     "ext-zlib": "*",
-    "24slides/laravel-saml2": "2.4.2",
+    "24slides/laravel-saml2": "2.5.2",
     "directorytree/ldaprecord-laravel": "3.4.3",
     "guzzlehttp/guzzle": "7.10.0",
     "knplabs/github-api": "3.16.0",