Release 2023.12

[jmarrero]

v2023.12

Release 2023.12

Notable bug fixes are:

• rpm-ostree now will remove duplicate tmpfiles entries tempfiles.rs: remove duplicate tmpfiles entries #4697
• rpm-ostree now will properly prune container layers Ensure container image layers are pruned #4720

Colin Walters (9):
      tmpfiles: Add a unit test
      tmpfiles: Rename reader function
      tmpfiles: Change `read_tmpfiles` to return a direct hashmap
      tmpfiles: Collect into a BTreeMap for reproducibility
      tmpfiles: Drop intermediate re-allocation
      composepost: Support rootfs.transient=yes
      Ensure container image layers are pruned
      tmpfiles: Fix error contexts
      tmpfiles: Handle old caches

HuijingHei (4):
      rpm-ostree-0-integration.conf: remove `/var/lib` tmpfiles entry as it is duplicated in `var.conf`
      rpmostree-postprocess.cxx: remove `var/` in unified core mode
      utils.rs: remove duplicate tmpfiles entries
      tmpfiles.rs: minor update

Full Changelog: v2023.11...v2023.12