fix: revert testng version

[dl239]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

• What is the current behavior? (You can also link to an open issue here)

• What is the new behavior (if this is a feature change)?

[codecov]

Codecov Report

Base: 78.97% // Head: 75.65% // Decreases project coverage by -3.32% ⚠️

Coverage data is based on head (938ae76) compared to base (b006d1b).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #3095      +/-   ##
============================================
- Coverage     78.97%   75.65%   -3.32%     
- Complexity        0      393     +393     
============================================
  Files           512      664     +152     
  Lines        115569   124613    +9044     
  Branches          0     1113    +1113     
============================================
+ Hits          91273    94279    +3006     
- Misses        24280    30098    +5818     
- Partials         16      236     +220     

Impacted Files	Coverage Δ
...s/query_response_time/deploy_query_response_time.h	81.25% <0.00%> (-18.75%)	⬇️
...atistics/query_response_time/query_response_time.h	78.26% <0.00%> (-4.35%)	⬇️
.../query_response_time/deploy_query_response_time.cc	97.10% <0.00%> (-2.90%)	⬇️
src/catalog/tablet_catalog.cc	71.54% <0.00%> (-0.80%)	⬇️
src/catalog/client_manager.cc	43.05% <0.00%> (-0.29%)	⬇️
src/nameserver/name_server_impl.cc	44.47% <0.00%> (-0.25%)	⬇️
src/client/ns_client.cc	50.28% <0.00%> (-0.15%)	⬇️
src/client/tablet_client.cc	58.88% <0.00%> (-0.12%)	⬇️
src/sdk/sql_cluster_router.cc	61.97% <0.00%> (-0.08%)	⬇️
src/sdk/db_sdk.cc	65.18% <0.00%> (ø)
... and 154 more

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[github-actions]

SDK Test Report

  89 files    89 suites   1m 28s ⏱️
180 tests 171 ✔️ 9 💤 0 ❌
226 runs  217 ✔️ 9 💤 0 ❌

Results for commit 938ae76.

♻️ This comment has been updated with latest results.

[github-actions]

Linux Test Report

       56 files       230 suites   1h 12m 26s ⏱️
11 890 tests 11 883 ✔️ 7 💤 0 ❌
16 876 runs  16 869 ✔️ 7 💤 0 ❌

Results for commit 938ae76.

[tobegit3hub]

LGTM