Test against julia pre

[felixcremer]

This should test Zarr.jl on the current prerelease which at the moment would be 1.12 beta.
@mkitti This is what you just requested during our meeting.

This would close #184

[coveralls]

Pull Request Test Coverage Report for Build 14907999160

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-1.2%) to 84.868%

---

Totals
Change from base Build 13680422725:	-1.2%
Covered Lines:	903
Relevant Lines:	1064

---

💛 - Coveralls

[github-actions]

Pull Request Test Coverage Report for Build 14907999160

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.08%) to 85.957%

---

Totals
Change from base Build 13680422725:	-0.08%
Covered Lines:	912
Relevant Lines:	1061

---

💛 - Coveralls

[nhz2]

Merging this since the new beta has fixed the code coverage error.