feat(ci,docker): set multiple Docker build cache

[youtalk]

Description

• feat(ci,docker): rename Docker build cache images from autoware:buildcache-*** to autoware-buildcache:*** #4851

This PR introduces multiple Docker build caches. https://docs.docker.com/build/cache/backends/#multiple-caches

By separating the build cache of the main branch and the build cache of each branch, inadvertent overwriting of the build cache can be prevented. The build cache of the main branch is generated by the build-main.yaml and buil-main-self-hosted.yaml, which are executed daily.

Tests performed

https://github.com/autowarefoundation/autoware/actions/runs/9461211261

Effects on system behavior

Not applicable.

Interface changes

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[xmfcx]

Thank you @youtalk san,
How can we test it?
How do we know the previous cache did not work?

[youtalk]

@xmfcx Even after the build cache is updated in a PR branch, if the word "CACHED" appears in the logs of the build-main and build-main-self-hosted workload, the cache is working better.