feat: added support for stop_at for campaign

[vishalnarkhede]

CLA

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• Code changes are tested

Description of the changes, What, Why and How?

Changelog

[github-actions]

Size Change: +99 B (0%)

Total Size: 352 kB

Filename	Size	Change
dist/browser.es.js	76 kB	+19 B (0%)
dist/browser.full-bundle.min.js	46.4 kB	+23 B (0%)
dist/browser.js	76.9 kB	+19 B (0%)
dist/index.es.js	76 kB	+21 B (0%)
dist/index.js	77 kB	+17 B (0%)

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