fix: add streaming API path to ingress (was missing after merge)

manifests/mastodon/ingress.yaml

@@ -24,6 +24,13 @@ spec:
                 name: minio-proxy
                 port:
                   number: 80
+          - path: /api/v1/streaming/
+            pathType: Prefix
+            backend:
+              service:
+                name: mastodon-streaming
+                port:
+                  number: 4000
           - path: /
             pathType: Prefix
             backend: