removed version 28 (which has issues with the middleware)

.github/workflows/ci.yml

@@ -37,7 +37,6 @@ jobs:
           - 25
           - 26
           - 27
-          - 28
 
     steps:
       - name: Create docker tag from git reference
@@ -86,14 +85,13 @@ jobs:
           - 25
           - 26
           - 27
-          - 28
         test:
           - 'solidtestsuite/solid-crud-tests:v7.0.5'
           - 'solidtestsuite/web-access-control-tests:v7.1.0'
           - 'solidtestsuite/webid-provider-tests:v2.1.0'
 
     # Prevent EOL or non-stable versions of Nextcloud to fail the test-suite
-    continue-on-error: ${{ contains(fromJson('[25,26,27,28]'), matrix.nextcloud_version) == false }}
+    continue-on-error: ${{ contains(fromJson('[25,26,27]'), matrix.nextcloud_version) == false }}
 
     steps:
       - name: Create docker tag from git reference