manifests: hub global controller-version floor → 0.87.0 (Phase 2 live)

Persists the global floor set live during the Phase 2 floor test so git matches
the running deploy. Only demo-felhom reports (peti-felhom is config-only).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FSZmmSFVzGwEzhYmxbkgBK

manifests/hub.yaml

@@ -124,6 +124,10 @@ spec:
           env:
             - name: TZ
               value: "Europe/Budapest"
+            # Phase 2 managed updates: global controller-version FLOOR fallback. Any reporting box below
+            # this auto-updates to it (unless a per-customer override is set via the operator UI).
+            - name: DEFAULT_MIN_CONTROLLER_VERSION
+              value: "0.87.0"
             - name: REGISTRY_USERNAME
               valueFrom:
                 secretKeyRef: