test(data): advance the reference-output pins onto the run #824 pushed

[andiwand]

🤖 Generated with Claude Code

main is red, and so is every open pull request: the test leg's
compare-html step dies before it compares anything.

ValueError: 'build/test/output/odr-public/output/ods/file_example_ODS_100.ods-read-only'
  is not in the subpath of 'test/data/reference-output/odr-public/output'

#824 regenerated and pushed reference output but left test/data.cmake pinned
at #819's revisions, so CI clones a tree two commits behind what the suite now
writes. The first directory with no reference is
ods/file_example_ODS_100.ods-read-only, one of the second-config outputs #699
added — and htmlcmp reports it by building the failure's path with
relative_to(a) for a path that lives under b, so it raises instead. The
crash is what you see; the pin lag is what caused it.

Two lines, onto the commits that match main today:

	from	to
reference-output/odr-public	8d9a545 (#819)	a89a503 (#824)
reference-output/odr-private	a83bd65 (#819)	27f6637 (#824)

Not the tips of those repositories — the commit above each is in-flight work
that has not landed here.

Verified

A full RelWithDebInfo run of the suite, diffed against both output repositories
checked out at exactly these two commits:

diff -rq  public:  0 lines
diff -rq  private: 0 lines

[andiwand]

Superseded by #829, which advanced both pins to the repository tips (29fc194 / d7aa0dc) — covering #824's regeneration as well as its own pdf class rename. main is green again, so this two-line bump has nothing left to do.