Manuel Barrio Linares 18ab18958b CI: add retries and package caching across all platforms ...

- Add retry loops to all package manager commands (apt, apk, pacman,
pkg).
- Implement daily package caching to minimize external server hits.
- Enable Docker layer caching in CI using buildx and GHA backend.
  - Sync CI Docker build steps with the build-with-docker.sh logic.
  - We don't, or more accurately, can't actually use
`build-with-docker.sh` anymore in CI. Maybe we should move it to
scripts/tools/ to keep the root directory clean.
- add ramdisk for BSD, shave 30/60 seconds.
- change BDSs to cross-platform-actions/action for a cleaner ci and skip
SLOW_TESTS for BSDs: this shaves a few seconds
- set global CACHE_INVALIDATION_SEED

2026-02-11 10:01:14 +01:00

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Dockerfile

CI: add retries and package caching across all platforms

2026-02-11 10:01:14 +01:00