change a redirect /events/bosc-2025/ -> bosc-2026

but i'm not sure this will fix the issue that /events/bosc is redirecting to bosc-2025

Author: nlharris

nginx.conf

@@ -193,7 +193,7 @@ http {
             if ($query_string = "p=5788") { return 302 /2021/08/31/gemma-turon-obf-bosc-2021/; }
             if ($query_string = "p=6950") { return 302 /2023/03/22/mailing-lists-to-paid-hosting/; }
             if ($query_string = "p=7527") { return 302 /2023/12/17/journey-at-nf-core-hackathon-and-nextflow-summit-2023/; }
-            if ($query_string = "page_id=8331") { return 302 /events/bosc-2025/; }
+            if ($query_string = "page_id=8331") { return 302 /events/bosc-2026/; }
             if ($query_string = "p=4913") { return 302 /2020/08/22/obf-event-fellowship-round-2-2020/; }
             if ($query_string = "p=6086") { return 302 /2022/01/27/approved-by-obf-membership-vote/; }
             if ($query_string = "p=7477") { return 302 /2023/12/04/obf-public-board-meeting-2023-12-19/; }