v0.7.1

ImagePhantoms v0.7.1

Diff since v0.7.0

Merged pull requests:

• Bump actions/checkout from 2 to 3 (#64) (@dependabot[bot])
• Bump codecov/codecov-action from 1 to 3 (#65) (@dependabot[bot])
• Bump actions/cache from 1 to 3 (#68) (@dependabot[bot])
• Use range instead of LinRange (#69) (@JeffFessler)