refactor(ui5-textarea): rename property growingMaxLines to growingMaxRows

[niyap]

Renames the growingMaxLines property of ui5-textarea.
If you have previously used the growingMaxLines property

<ui5-textarea growing growing-max-lines="5"></ui5-textarea>

Now use growingMaxRows instead:

<ui5-textarea growing growing-max-rows="5"></ui5-textarea>

BREAKING CHANGE: The growingMaxLines property have been renamed to growingMaxRows.

Related to: #8461

[ilhan007]

Just as reminder: when you squash the PR (the green button Squash and Merge) check the commit title, description once again, because this is what is merged - e.g proper PR description is great but not enough