Update osbuild to 103

Merge Request Required Information

Summary of Changes

Changes with 103

• Update snapshots to 20240101 (#1520)
  • Author: SchutzBot, Reviewers: Tomáš Hozza
• github: run tests on push again (#1517)
  • Author: Achilleas Koutsou, Reviewers: Michael Vogt, Simon de Vlieger, Tom Gundersen
• mounts: support mounting partitions (#1501)
  • Author: Dusty Mabe, Reviewers: Michael Vogt
• osbuild: allow to export a tree without preserving the ownership (less tests) (#1512)
  • Author: Michael Vogt, Reviewers: Tomáš Hozza
• test: add more output when ensure_mtime() assert fails (#1518)
  • Author: Michael Vogt, Reviewers: Simon de Vlieger
• test: fix running on debian hosts (#1522)
  • Author: Michael Vogt, Reviewers: Ondřej Budai, Simon de Vlieger
• test: include tests in make lint and fix issues (#1521)
  • Author: Michael Vogt, Reviewers: Simon de Vlieger
• test: rename TestFileSystemMountService->FakeFileSystemMountService (#1513)
  • Author: Michael Vogt, Reviewers: Achilleas Koutsou, Simon de Vlieger

— Somewhere on the Internet, 2024-01-03

Approved Tickets

Resolves: RHEL-1770