Add AVIF format in Exif

[min-peter]

Add AVIF format in Exif

• Allow avif format image to get exif data
• Added one avif image

Issue Link from Lychee Repository

Test command for Exif Function

./vendor/bin/phpunit --filter testAdapterConsistency tests/PHPExif/ExifTest.php

./vendor/bin/phpunit --filter testMutatorMethodsSetInProperty tests/PHPExif/ExifTest.php 

./vendor/bin/phpunit --filter ExifTest

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.56%. Comparing base (94f2670) to head (25fef2f).
⚠️ Report is 9 commits behind head on master.

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