Fix outdated transform types example

[Feggah]

Description of your changes

• Updated the convert Transform Types example
• Fixes Documentation about convert transform type outdated #2611

I have:

• Read and followed Crossplane's contribution process.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

N/A

[hasheddan]

Thanks @Feggah! I have added backport labels for all active branches as this functionality has operated as indicated in your changeset here since #1994 👍🏻

[github-actions]

Backport failed for release-1.2, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally.

git fetch origin release-1.2
git worktree add -d .worktree/backport-2626-to-release-1.2 origin/release-1.2
cd .worktree/backport-2626-to-release-1.2
git checkout -b backport-2626-to-release-1.2
ancref=$(git merge-base fc41839024582bdf0b6075e0f737524511bc1afe 3f2e6bb9b687e20400b863cd41c0da7639ed86a2)
git cherry-pick -x $ancref..3f2e6bb9b687e20400b863cd41c0da7639ed86a2

[github-actions]

Backport failed for release-1.3, because it was unable to cherry-pick the commit(s).

Please cherry-pick the changes locally.

git fetch origin release-1.3
git worktree add -d .worktree/backport-2626-to-release-1.3 origin/release-1.3
cd .worktree/backport-2626-to-release-1.3
git checkout -b backport-2626-to-release-1.3
ancref=$(git merge-base fc41839024582bdf0b6075e0f737524511bc1afe 3f2e6bb9b687e20400b863cd41c0da7639ed86a2)
git cherry-pick -x $ancref..3f2e6bb9b687e20400b863cd41c0da7639ed86a2

[github-actions]

Successfully created backport PR #2627 for release-1.4.