Change JuMP-dev '25 to "co-located" with ORSNZ

Author: odow

_posts/2024-09-26-jump_dev_2025.md

@@ -14,7 +14,7 @@ This is the week following [CPAIOR 2025](https://sites.google.com/view/cpaior202
 which will be held November 10--13, 2025 in Melbourne, Australia. (Melbourne is
 a 4 hour flight and 2 hour time difference from New Zealand.)
 
-JuMP-dev will be co-hosted with the [57th ORSNZ](https://orsnz.org.nz/conf57/),
+JuMP-dev will be co-located with the [57th ORSNZ](https://orsnz.org.nz/conf57/),
 the Operations Research Society of New Zealand's annual conference, which will
 take place November 20--21, 2025, also in Auckland, New Zealand.