task 1.7 global phase change was added

[adutchengineer]

No description provided.

[msftclas]

All CLA requirements met.

[tcNickolas]

Thank you for contributing this - manipulating global phase shows up in the later katas a lot as part of more complicated tasks, so it is something we need to introduce early! It might make sense to add a comment to that effect as a note - something along the lines of "Note: this change on its own is not observable - there is no experiment you can do on a standalone qubit to figure out whether it acquired the global phase or not. However, you can use a controlled version of this operation to observe the global phase it introduces. This is used in later katas as part of more complicated tasks."

This change is a good start; I did a review pass and left some small comments.

Thank you!

[tcNickolas]

(I also took a look at the CI failure - it is a transient error I've been seeing sometimes, nothing to worry about in relation to your change)

[adutchengineer]

I think I made the appropriate adjustments. Let me know if I missed something.

[tcNickolas]

The task numbers themselves were fine, it was just the names of the tests that needed to be changed. I feel bad that you did all these changes that were not needed, so I went in and undid the changes to task numbering, and did a bit of cleanup while I was at it. This change should be good now - once CI passes, I'll merge it.

Thank you!