Backport of Update iframe to VideoEmbed into v0.13

[github-actions]

Backport

This PR is auto-generated from #36943 to be assessed for backporting due to the inclusion of the label 0.13-backport.

🚨

Warning automatic cherry-pick of commits failed. If the first commit failed,
you will see a blank no-op commit below. If at least one commit succeeded, you
will see the cherry-picked commits up to, not including, the commit where
the merge conflict occurred.

The person who merged in the original PR is:
@im2nguyen
This person should manually cherry-pick the original PR into a new backport PR,
and close this one when the manual backport PR is merged in.

merge conflict error: POST https://api.github.com/repos/hashicorp/terraform/merges: 409 Merge conflict []

The below text is copied from the body of the original PR.

---

This updates the existing iframe for youtube to a VideoEmbed component. This is so we can standardize how we are serving and tracking video plays across DevDot.

Related PR: hashicorp/dev-portal#2699

Fixes #

Target Release

1.13.x

CHANGELOG entry

• This change is user-facing and I added a changelog entry.
• This change is not user-facing.

---

Overview of commits

• 1af5cfc

[hashicorp-cla-app]

Thank you for your submission! We require that all contributors sign our Contributor License Agreement ("CLA") before we can accept the contribution. Read and sign the agreement

Learn more about why HashiCorp requires a CLA and what the CLA includes

---

1 out of 2 committers have signed the CLA.

• im2nguyen
• temp

---

temp seems not to be a GitHub user.
You need a GitHub account to be able to sign the CLA.
If you have already a GitHub account, please add the email address used for this commit to your account.

_{Have you signed the CLA already but the status is still pending? Recheck it.}

[hashicorp-cla-app]

Thank you for your submission! We require that all contributors sign our Contributor License Agreement ("CLA") before we can accept the contribution. Read and sign the agreement

Learn more about why HashiCorp requires a CLA and what the CLA includes

---

temp seems not to be a GitHub user.
You need a GitHub account to be able to sign the CLA.
If you have already a GitHub account, please add the email address used for this commit to your account.

_{Have you signed the CLA already but the status is still pending? Recheck it.}

[radeksimko]

The old branches (<= 0.15) are now locked so I think this will need to be addressed after the docs migration when the content is outside of this repository.

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active contributions.
If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.