Add cosine similarity metric

[kzkadc]

Fixes #3202

Description:

Check list:

• New tests are added (if a new feature is added)
• New doc strings: description and/or example code are in RST format
• Documentation is updated (if required)

[vfdev-5]

Thanks a lot for the PR @kzkadc !
I think we can put this implementation to ignite.metrics instead of contrib metrics as it does not have any 3rd party dependencies.

Let's also write a test to verify the correctness

[vfdev-5]

@kzkadc thanks for the update. Let's put this implementation to ignite.metrics instead of contrib metrics

[kzkadc]

@vfdev-5 Thank you for your review! I moved it to igite.metrics.
I will also try to write a test.

[vfdev-5]

@kzkadc if auto code-formatting GH action is bothering you, you can disable it from your fork. https://github.com/pytorch/ignite/actions/workflows/code-style.yml

[vfdev-5]

Thanks a lot for the PR @kzkadc !

[vfdev-5]

Hi @kzkadc , sorry, I was too quick to merge this PR which actually has failing xla job: https://github.com/pytorch/ignite/actions/runs/8351321508/job/22859463184
Could you please fix it in a follow-up PR?

[kzkadc]

@vfdev-5 sorry for my mistake. I fixed it in #3213.