Change camera info message to lower case (backport #1005)

[mergify]

Change camera info message to lower case since message type had been change in rolling and humble.

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This is an automatic backport of pull request #1005 done by Mergify.

[mergify]

Cherry-pick of bc5cab9 has failed:

On branch mergify/bp/jazzy/pr-1005
Your branch is up to date with 'origin/jazzy'.

You are currently cherry-picking commit bc5cab9.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   camera_calibration/src/camera_calibration/camera_checker.py

no changes added to commit (use "git add" and/or "git commit -a")

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[ahcorde]

CI error should be fixed with this release ros/rosdistro#41789

[ahcorde]

@ros-pull-request-builder retest this please