chore: fix ci for new test suite

[Garmelon]

No description provided.

[mathlib-lean-pr-testing]

Mathlib CI status (docs):

• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 846420dabab15cec6d4c095069dc34d7a9ba4b59 --onto c595413fccaa47ebdc399d9b817c17425687fc26. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-26 17:12:26)
• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase adf3e5e6612e709c65e8edabae6b54590ca46c4d --onto c595413fccaa47ebdc399d9b817c17425687fc26. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-27 01:33:18)
• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase b4f768b67f4d9a1573055a8a7d1d4bee5773326d --onto 87ec768a509c45987a7d73258da0cc1ef047925c. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-27 13:39:50)
• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 81a5eb55d54f2be749f1e419f250787497a6eb10 --onto 87ec768a509c45987a7d73258da0cc1ef047925c. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-27 21:58:22)
• ❗ Batteries/Mathlib CI will not be attempted unless your PR branches off the nightly-with-mathlib branch. Try git rebase 54df5173d2eaa34326a38d664746c51d4ac79b93 --onto 87ec768a509c45987a7d73258da0cc1ef047925c. You can force Mathlib CI using the force-mathlib-ci label. (2026-02-27 23:37:41)

[leanprover-bot]

Reference manual CI status:

• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase 846420dabab15cec6d4c095069dc34d7a9ba4b59 --onto 8038a8b8904f89ad9542c8eda11379f8f006eab1. You can force reference manual CI using the force-manual-ci label. (2026-02-26 17:12:28)
• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase adf3e5e6612e709c65e8edabae6b54590ca46c4d --onto 8038a8b8904f89ad9542c8eda11379f8f006eab1. You can force reference manual CI using the force-manual-ci label. (2026-02-27 01:33:20)
• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase b4f768b67f4d9a1573055a8a7d1d4bee5773326d --onto 8038a8b8904f89ad9542c8eda11379f8f006eab1. You can force reference manual CI using the force-manual-ci label. (2026-02-27 13:39:52)
• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase 81a5eb55d54f2be749f1e419f250787497a6eb10 --onto 8038a8b8904f89ad9542c8eda11379f8f006eab1. You can force reference manual CI using the force-manual-ci label. (2026-02-27 21:58:24)
• ❗ Reference manual CI will not be attempted unless your PR branches off the nightly-with-manual branch. Try git rebase 54df5173d2eaa34326a38d664746c51d4ac79b93 --onto 8038a8b8904f89ad9542c8eda11379f8f006eab1. You can force reference manual CI using the force-manual-ci label. (2026-02-27 23:37:42)

[Garmelon]

elab_bench/big_do.lean seems to crash in the reldebug CI. Before the new test suite, it was only a benchmark and thus it was only executed in the linux lake CI occasionally (where it doesn't crash). Ignoring it doesn't make things worse than pre-new-suite.