IST Time Zone set for Github CI/CD and browsers

[iamcharankumar]

• Made IST the standard timezone for CI/CD & Playwright's browser context.
• Started uploading the screenshots folder as a part of the artifacts.
• Included WebKit runs as a part of the README file.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...aglabs/portal/qa/browsermanager/WebkitBrowser.java	0.00%	2 Missing ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...aglabs/portal/qa/browsermanager/ChromeBrowser.java	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
...glabs/portal/qa/browsermanager/FirefoxBrowser.java	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
...aglabs/portal/qa/browsermanager/MsEdgeBrowser.java	100.00% <100.00%> (ø)	2.00 <0.00> (ø)
...aglabs/portal/qa/constants/WebPortalConstants.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...aglabs/portal/qa/browsermanager/WebkitBrowser.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)

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