Fix the throttle function and upgrade to v6.1

[afshinm]

Fix the throttle function and upgrade to v6.1

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟢	Statements	81.11%	1331/1641
🟡	Branches	67.68%	356/526
🟢	Functions	82.13%	285/347
🟢	Lines	80.72%	1172/1452

Test suite run success

185 tests passing in 33 suites.

Report generated by 🧪jest coverage report action from 79b46b4

[github-actions]

Size Change: -5 B (0%)

Total Size: 94.5 kB

Filename	Size	Change
dist/gridjs.js	16.4 kB	-1 B (0%)
dist/gridjs.module.js	16.4 kB	-1 B (0%)
dist/gridjs.production.es.min.js	16.4 kB	-1 B (0%)
dist/gridjs.production.min.js	16.4 kB	-1 B (0%)
dist/gridjs.umd.js	16.4 kB	-1 B (0%)

ℹ️ View Unchanged

Filename	Size
l10n/dist/l10n.js	3.05 kB
l10n/dist/l10n.module.js	3.13 kB
l10n/dist/l10n.umd.js	3.18 kB
plugins/selection/dist/selection.js	1.05 kB
plugins/selection/dist/selection.module.js	1.07 kB
plugins/selection/dist/selection.umd.js	1.15 kB

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