Pin docker/bake-action to fix build

[danielhollas]

Fixes #491

[danielhollas]

I've been able to workaround the original issue detailed in #491, but then ran into another one since the specification of the metadata json changes and the jq script in extract-image-names.sh no longer works. So for now I've pinned the bake-action to the previous version. I have nevertheless kept the workaround/fix since I think it is better then the original approach.

I opened #493 as a followup on this.

[unkcpz]

Parsing things with jq is already quite complex to me. I am interested to know how you debug it?

[danielhollas]

I am also unfamiliar with jq. The original error was caused by bash. Once I fixed it I ran into a jq error https://github.com/aiidalab/aiidalab-docker-stack/actions/runs/10287638235/job/28471150939

jq: error (at bake_metadata.json:691): Cannot index array with string "image.name"

I have verified that the json schema indeed changed, but I did not debug further and opened #493. I think the fix will be simple for somebody who knows jq. 😅