fix: build warnings

[volodymyr-chekyrta]

This pull request updates the Swiftlint version and addresses a bunch of warnings.	Before	After

Fixed:

• Trailing Whitespace Violation
• Line Length Violation
• Generated and third-party files excluded from linting

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[volodymyr-chekyrta]

@saeedbashir @rnr Kindly review the changes made in this pull request. Thank you. Feel free to move the review from yourself to someone else.

[openedx-webhooks]

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