5% color difference on virtual Mac

[paulz]

name	expected	actual	difference
FavoriteView.1
FavoriteView.2

https://github.com/paulz/SwiftUI-snapshot-testing/actions/runs/2566873073

example-tests.xcresult.zip

  Assertions: Assertion Failure at SnapshotTests.swift:10: failed - view did not match snapshot
some pixels were different by 3.125% in color
max allowed difference in color: 0.0%
see attached `difference` image between actual and expected
  File: SnapshotTests.swift:10

  Assertions: Assertion Failure at SnapshotTests.swift:10: failed - view did not match snapshot
some pixels were different by 4.6875% in color
max allowed difference in color: 0.0%
see attached `difference` image between actual and expected
  File: SnapshotTests.swift:10

[paulz]

on M1 mac book pro color difference is within 1.57%:
Test-Example-2022.06.26_22-00-37--0700.xcresult.zip

  Assertions: Assertion Failure at SnapshotTests.swift:10: failed - view did not match snapshot
some pixels were different by 1.5625% in color
max allowed difference in color: 0.0%
see attached `difference` image between actual and expected
  File: SnapshotTests.swift:10