makefiles: bump riotdocker version [backport 2025.07]#21819

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crasbe merged 1 commit intoRIOT-OS:2025.07-branchfrom

crasbe:backport/2025.07/pr/update_riotdocker

Oct 24, 2025

Commits on Oct 23, 2025

makefiles: bump riotdocker version
crasbe
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