testmap: Declare rhel-8-10/ws-container for starter-kit and c-files

See cockpit-project/cockpit-files#914

Author: martinpitt

lib/testmap.py

@@ -84,6 +84,7 @@ def contexts(image: str, *scenarios: Iterable[str], repo: str | None = None) ->
         '_manual': [
             'centos-9-bootc',
             'rhel-9-6',
+            'rhel-8-10/ws-container',
         ]
     },
     'cockpit-project/cockpit-ostree': {
@@ -157,6 +158,7 @@ def contexts(image: str, *scenarios: Iterable[str], repo: str | None = None) ->
             'rhel-10-0',
         ],
         '_manual': [
+            'rhel-8-10/ws-container',
         ],
     },
     'osbuild/cockpit-composer': {