Update dependency qrcode to v7

This MR contains the following updates:

Package	Update	Change
qrcode	major	==6.1 -> ==7.3.1

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Release Notes

lincolnloop/python-qrcode

v7.3.1

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• Improvements for embedded image.

v7.3

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• Improvements for embedded image.

v7.2

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• Add Styled PIL image factory, allowing different color masks and shapes in QR codes

• Small performance inprovement

• Add check for border size parameter

v7.1

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• Add --ascii parameter to command line interface allowing to output ascii when stdout is piped

• Add --output parameter to command line interface to specify output file

• Accept RGB tuples in fill_color and back_color

• Add to_string method to SVG images

• Replace inline styles with SVG attributes to avoid CSP issues

• Add Python3.10 to supported versions

v7.0

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• Drop Python < 3.6 support.

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