ci: Bump major versions for docker actions #1424

1. 
   hebasto commented at 9:19 am on September 12, 2023: member

   See:

   • https://github.com/docker/build-push-action/releases/tag/v5.0.0
   • https://github.com/docker/setup-buildx-action/releases/tag/v3.0.0
2. ci: Bump major versions for docker actions

   https://github.com/docker/build-push-action/releases/tag/v5.0.0
   https://github.com/docker/setup-buildx-action/releases/tag/v3.0.0

   d9d80fd155
3. real-or-random added the label ci on Sep 13, 2023
4. real-or-random approved
5. 
   real-or-random commented at 12:48 pm on September 13, 2023: contributor

   ACK d9d80fd155cd1eb26c1334ceb0d4cecdef640085
6. real-or-random merged this on Sep 13, 2023
7. real-or-random closed this on Sep 13, 2023

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8. hebasto deleted the branch on Sep 13, 2023

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hebasto real-or-random

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