ci: fix test262_release action

[jedel1043]

Release action failed to upload the data for v0.21. This PR fixes that.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	50,747	50,747	0
Passed	47,869	47,869	0
Ignored	2,060	2,060	0
Failed	818	818	0
Panics	0	0	0
Conformance	94.33%	94.33%	0.00%

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.07%. Comparing base (6ddc2b4) to head (1fecd86).
⚠️ Report is 579 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4480      +/-   ##
==========================================
+ Coverage   47.24%   57.07%   +9.82%     
==========================================
  Files         476      503      +27     
  Lines       46892    57416   +10524     
==========================================
+ Hits        22154    32768   +10614     
+ Misses      24738    24648      -90     

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