chore: bump version to 10.3.0

[tobitech]

Summary

Prepare for release 10.3.0

Known Issues

• Previous Selfie Capture sometimes fails to complete (Currently investigating and will address in separate PR). Seems to be a demo app issue.

Test Instructions

N/A.

Screenshot

N/A

[prfectionist]

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⏱️ Estimated effort to review: 1 🔵⚪⚪⚪⚪

🧪 No relevant tests

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[prfectionist]

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[github-actions]

	Warnings
⚠️	The source files were changed, but the tests remain unmodified. Consider updating or adding to the tests to match the source changes.
⚠️	Sources/SmileID/Classes/SmileID.swift#L159 - Function should have complexity 10 or less: currently complexity equals 11 (cyclomatic_complexity)
⚠️	Sources/SmileID/Classes/SmileID.swift#L186 - TODOs should be resolved (- Fix when Michael changes thi...). (todo)
⚠️	Sources/SmileID/Classes/SmileID.swift#L324 - Lines should not have trailing whitespace. (trailing_whitespace)
⚠️	Sources/SmileID/Classes/SmileID.swift#L403 - Lines should not have trailing whitespace. (trailing_whitespace)

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