ci: fix disk out of space for GHA (attempt 2)

[xxchan]

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What's changed and what's your intention?

Checklist

• I have written necessary rustdoc comments
• I have added necessary unit tests and integration tests
• I have added fuzzing tests or opened an issue to track them. (Optional, recommended for new SQL features Sqlsmith: Sql feature generation #7934).
• My PR contains breaking changes. (If it deprecates some features, please create a tracking issue to remove them in the future).
• All checks passed in ./risedev check (or alias, ./risedev c)
• My PR changes performance-critical code. (Please run macro/micro-benchmarks and show the results.)

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[codecov]

Codecov Report

Merging #12671 (c88758e) into main (1fd589d) will increase coverage by 0.02%.
Report is 17 commits behind head on main.
The diff coverage is 62.95%.

❗ Current head c88758e differs from pull request most recent head 1634dd1. Consider uploading reports for the commit 1634dd1 to get more accurate results

@@            Coverage Diff             @@
##             main   #12671      +/-   ##
==========================================
+ Coverage   69.31%   69.33%   +0.02%     
==========================================
  Files        1470     1470              
  Lines      241352   241531     +179     
==========================================
+ Hits       167292   167468     +176     
- Misses      74060    74063       +3     

Flag	Coverage Δ
rust	69.33% <62.95%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
src/common/src/util/mod.rs	0.00% <ø> (ø)
src/connector/src/sink/mod.rs	58.82% <100.00%> (ø)
src/connector/src/sink/writer.rs	0.00% <ø> (ø)
...onnector/src/source/google_pubsub/source/reader.rs	0.00% <ø> (ø)
src/frontend/src/catalog/system_catalog/mod.rs	94.51% <100.00%> (ø)
src/meta/src/hummock/manager/mod.rs	60.83% <ø> (ø)
...tream/src/executor/backfill/no_shuffle_backfill.rs	0.00% <ø> (ø)
src/udf/src/error.rs	0.00% <ø> (ø)
.../catalog/system_catalog/rw_catalog/rw_fragments.rs	50.00% <66.66%> (ø)
src/frontend/src/scheduler/distributed/stage.rs	15.54% <0.00%> (ø)
... and 16 more

... and 8 files with indirect coverage changes

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[xxchan]

Is it because of /dev/root

[xxchan]

I don't understand, but it seems to be fixed...

[BugenZhao]

😄 try our luck again