ci(sink): change the link to download spark to archive link

[wenym1]

I hereby agree to the terms of the RisingWave Labs, Inc. Contributor License Agreement.

What's changed and what's your intention?

As titled.

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).
• I have demonstrated that backward compatibility is not broken by breaking changes and created issues to track deprecated features to be removed in the future. (Please refer to the issue)
• All checks passed in ./risedev check (or alias, ./risedev c)

Documentation

• My PR DOES NOT contain user-facing changes.

Click here for Documentation

Types of user-facing changes

Please keep the types that apply to your changes, and remove the others.

• Installation and deployment
• Connector (sources & sinks)
• SQL commands, functions, and operators
• RisingWave cluster configuration changes
• Other (please specify in the release note below)

Release note

[jon-chuang]

LGTM

[codecov]

Codecov Report

Merging #8036 (97dfe7d) into main (d8198fa) will decrease coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #8036      +/-   ##
==========================================
- Coverage   71.35%   71.34%   -0.01%     
==========================================
  Files        1121     1121              
  Lines      180839   180839              
==========================================
- Hits       129034   129028       -6     
- Misses      51805    51811       +6     

Flag	Coverage Δ
rust	71.34% <ø> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
src/object_store/src/object/mem.rs	86.48% <0.00%> (-0.78%)	⬇️
src/storage/src/hummock/sstable_store.rs	65.00% <0.00%> (-0.32%)	⬇️
src/storage/src/hummock/compactor/iterator.rs	97.95% <0.00%> (-0.30%)	⬇️
src/object_store/src/object/mod.rs	50.31% <0.00%> (-0.22%)	⬇️
src/common/src/types/ordered_float.rs	30.87% <0.00%> (-0.20%)	⬇️
src/stream/src/executor/aggregation/minput.rs	96.25% <0.00%> (-0.11%)	⬇️
src/common/src/cache.rs	97.26% <0.00%> (+0.10%)	⬆️
src/storage/src/hummock/sstable/multi_builder.rs	97.69% <0.00%> (+0.32%)	⬆️

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