manifest: update collab-nrfx-4.0 to have wdt_nrfx reworked#24779

mstasiaknordic wants to merge 2 commits intonrfconnect:collab-nrfx-4.0nrfconnect/sdk-nrf:collab-nrfx-4.0from

mstasiaknordic:nrfx_wdt_reworkmstasiaknordic/sdk-nrf:nrfx_wdt_reworkCopy head branch name to clipboard