Add recently received (to be yet accepted physically) prize into Ackn…

…owledgements (#352)

_pages/acknowledgments.md

@@ -21,5 +21,6 @@ Laura and John Arnold Foundation |
 Novo Nordisk Foundation NNF20OC0063277 | 
 [NIMH 1RF1MH126700-01A1](https://reporter.nih.gov/project-details/10480619) | Hierarchical Event Descriptors (HED)
 [NIBIB 1R01EB020740](https://reporter.nih.gov/project-details/9053094) | Nipype
+[The Neuro-Irv and Helga Cooper Foundation](https://www.mcgill.ca/neuro/open-science/open-science-awards-and-prizes/neuro-irv-and-helga-cooper-foundation-open-science-prizes) | 2023 International Open Science Prize
 
 ![INCF-badge](./assets/img/incf-badge_281x210.png){: .center-image }