replace minio docker image

Author: RaghavaAlajangi

.github/workflows/check.yml

@@ -44,7 +44,7 @@ jobs:
       redis:
         image: redis:3
       minio:
-        image: raghavaalajangi95/dcor-minio:latest
+        image: mpzpm/dcor-dev/minio:latest
         # Note:
         # The official MinIO setup uses standalone mode, which has limitations:
         # - Certain 'mc admin' commands, such as user and policy management, are not supported.
@@ -113,4 +113,4 @@ jobs:
              --cov=ckanext.dcor_schemas \
              --cov-report=xml \
              --cov-append \
-             ckanext
+             ckanext