fixed a spelling mistake

[AstrinLakotaRobotics]

There was a minor spelling mistake in the calibration documentation "Ensure your the images" changed to be "ensure the images"

Meta

Merge checklist:

• Pull Request title is short, imperative summary of proposed changes
• The description documents the what and why
• If this PR changes behavior or adds a feature, user documentation is updated
• If this PR touches photon-serde, all messages have been regenerated and hashes have not changed unexpectedly
• If this PR touches configuration, this is backwards compatible with settings back to v2024.3.1
• If this PR addresses a bug, a regression test for it is added

[samfreund]

Looks great!