Docs: Update template variable overview to contain the preferred variable syntax (#25176)
Docs: Update template variable overview to contain the preferred variable syntax (#25176)

* Update templates-and-variables.md

Fixes #13744

* Update templates-and-variables.md

* Update templates-and-variables.md

* Update docs/sources/variables/templates-and-variables.md

Co-authored-by: Diana Payton <ee24b2c2426ceb8f7f9d3f1e01be1306fa31b8a1@users.noreply.github.com>

* Update docs/sources/variables/templates-and-variables.md

Co-authored-by: Diana Payton <ee24b2c2426ceb8f7f9d3f1e01be1306fa31b8a1@users.noreply.github.com>

* Update docs/sources/variables/templates-and-variables.md

Co-authored-by: Diana Payton <ee24b2c2426ceb8f7f9d3f1e01be1306fa31b8a1@users.noreply.github.com>

Co-authored-by: Diana Payton <ee24b2c2426ceb8f7f9d3f1e01be1306fa31b8a1@users.noreply.github.com>
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