Add v4 dev note

Author: VeckoTheGecko

docs/v4/TODO.md

@@ -3,7 +3,7 @@
 List of tasks that are important to do before the release of version 4 (but can't be done now via code changes in `v4-dev`).
 
 - [ ] Make migration guide for v3 to v4
-- [ ] Just prior to release: Update conda feedstock recipe dependencies (remove cgen and compiler dependencies). Make sure that recipe is up-to-date.
+- [ ] Just prior to release: Update conda feedstock recipe dependencies (remove cgen and compiler dependencies, add pooch as dependency and remove platformdirs). Make sure that recipe is up-to-date.
 - [ ] Revamp the oceanparcels.org landing page, and perhaps also consider new logo/branding?
 - [ ] Rerun all the tutorials so that their output is in line with new v4 print statements etc
 - Documentation