Fix build timestamp

[lukaw3d]

Fixes 5ebc5e8

[github-actions]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ EDITORCONFIG	editorconfig-checker	7		0	0.02s
✅ GIT	git_diff	yes		no	0.01s
✅ TSX	eslint	4	0	0	7.03s
✅ TYPESCRIPT	eslint	1	0	0	6.82s

See errors details in artifact MegaLinter reports on CI Job page
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

[codecov]

Codecov Report

Merging #979 (f6424ea) into master (b1f5e81) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #979      +/-   ##
==========================================
- Coverage   88.20%   88.19%   -0.01%     
==========================================
  Files          99       99              
  Lines        1712     1711       -1     
  Branches      396      395       -1     
==========================================
- Hits         1510     1509       -1     
  Misses        202      202              

Flag	Coverage Δ
cypress	57.73% <100.00%> (-0.03%)	⬇️
jest	79.09% <100.00%> (-0.02%)	⬇️

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Impacted Files	Coverage Δ
...pages/StakingPage/Features/ValidatorList/index.tsx	67.64% <ø> (ø)
src/app/components/DateFormatter/index.tsx	100.00% <100.00%> (ø)