fix(deployment): update bitnami to legacy repo (#7065)

Author: dotansimha

deployment/utils/reverse-proxy.ts

@@ -303,6 +303,7 @@ export class Proxy {
             : undefined,
       },
       contour: {
+        repository: 'bitnamilegacy/contour',
         podAnnotations: {
           'prometheus.io/scrape': 'true',
           'prometheus.io/port': '8000',