Update marketing packages and checkout copy

public/lang/en/marketing.json

@@ -104,7 +104,7 @@
     "cta_explore_highlight": "Explore top packages",
     "gift_cta": "Gift a package",
     "tab_endcustomer": "End Customers",
-    "tab_reseller": "Partner / Agency",
+    "tab_reseller": "Bundles",
     "section_endcustomer": "Packages for End Customers (One-time purchase per event)",
     "section_reseller": "Packages for Partner / Agencies (Event bundle)",
     "bundles_title": "Partner & Agency Bundles",