Update openid-connect-bundle to 5.0 and Symfony to 8.1

- Bump itk-dev/openid-connect-bundle to ^5.0 (pulls itk-dev/openid-connect 5.0)
- Migrate AzureOIDCAuthenticator to the new OIDC exception marker interface
  OpenIdConnectExceptionInterface (5.0 BC: concrete exceptions no longer
  extend ItkOpenIdConnectException)
- Update Symfony to 8.1 (Flex pin 8.1.*, asset-mapper ~8.1.0)
- Regenerate config/reference.php for Symfony 8.1

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: turegjorup

CHANGELOG.md

@@ -17,6 +17,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [#84](https://github.com/itk-dev/devops_itksites/pull/84)
   Update composer dependencies. Fix for Symfony and Twig CVE's
 
+- [#85](https://github.com/itk-dev/devops_itksites/pull/85)
+  Update openid-connect-bundle to 5.0 and Symfony to 8.1
+  - Bump `itk-dev/openid-connect-bundle` to `^5.0` (pulls `itk-dev/openid-connect` 5.0)
+  - Migrate OIDC authenticator to the new exception marker interface
+    `OpenIdConnectExceptionInterface` (5.0 BC: concrete exceptions no longer
+    extend `ItkOpenIdConnectException`)
+  - Update Symfony to 8.1
+
 ## [1.11.0] - 2026-05-19
 
 - [#78](https://github.com/itk-dev/devops_itksites/pull/78)

composer.json

@@ -14,14 +14,14 @@
         "doctrine/doctrine-migrations-bundle": "^4.0",
         "doctrine/orm": "^3.0",
         "easycorp/easyadmin-bundle": "^5.0",
-        "itk-dev/openid-connect-bundle": "^4.0",
+        "itk-dev/openid-connect-bundle": "^5.0",
         "itk-dev/vault-bundle": "^1.0.0",
         "nelmio/cors-bundle": "^2.2",
         "ocramius/doctrine-batch-utils": "^2.8",
         "phpstan/phpdoc-parser": "^2.0",
         "symfony/amqp-messenger": "^8.0",
         "symfony/asset": "^8.0",
-        "symfony/asset-mapper": "~8.0.0",
+        "symfony/asset-mapper": "~8.1.0",
         "symfony/browser-kit": "^8.0",
         "symfony/console": "^8.0",
         "symfony/doctrine-messenger": "^8.0",
@@ -100,7 +100,7 @@
     "extra": {
         "symfony": {
             "allow-contrib": false,
-            "require": "8.0.*"
+            "require": "8.1.*"
         }
     },
     "scripts": {