chore(deps): update dependency vega-interpreter to v1.2.1

[mend-for-github-com]

This PR contains the following updates:

Package	Type	Update	Change
vega-interpreter	devDependencies	minor	1.0.5 -> 1.2.1

By merging this PR, the below issues will be automatically resolved and closed:

Severity	CVSS Score	Vulnerability	GitHub Issue
High	8.1	CVE-2025-59840	#10921

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Release Notes

vega/vega (vega-interpreter)

v1.2.1

Compare Source

v1.2.0

Compare Source

v1.1.0

Compare Source

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.80%. Comparing base (8b16d3d) to head (710e860).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #10954   +/-   ##
=======================================
  Coverage   60.80%   60.80%           
=======================================
  Files        4540     4540           
  Lines      122959   122959           
  Branches    20702    20702           
=======================================
  Hits        74770    74770           
  Misses      42877    42877           
  Partials     5312     5312           

Flag	Coverage Δ
Linux_1	26.62% <ø> (ø)
Linux_2	38.97% <ø> (ø)
Linux_3	39.48% <ø> (ø)
Linux_4	33.85% <ø> (ø)
Windows_1	26.63% <ø> (ø)
Windows_2	38.95% <ø> (ø)
Windows_3	39.49% <ø> (ø)
Windows_4	33.85% <ø> (+<0.01%)	⬆️

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