fix: update input component placeholder color

[KaustubhKumar05]

WEB-2244

Summary	Fix textarea placeholder text color
Type	Bug
Status	In Progress
Points	N/A
Labels	-

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[github-actions]

size-limit report 📦

Path	Size
packages/hms-video-web/dist/index.cjs.js	61.66 KB (0%)
packages/hms-video-web/dist/index.js	61.44 KB (0%)
packages/hms-video-store/dist/index.cjs.js	17.98 KB (0%)
packages/hms-video-store/dist/index.js	17.76 KB (0%)
packages/roomkit-react/dist/index.cjs.js	203.21 KB (-0.01% 🔽)
packages/roomkit-react/dist/index.js	550 B (+0.55% 🔺)
packages/hms-virtual-background/dist/index.cjs.js	5.12 KB (0%)
packages/hms-virtual-background/dist/index.js	4.92 KB (0%)
packages/react-icons/dist/index.cjs.js	64.57 KB (0%)
packages/react-icons/dist/index.js	2.03 KB (0%)