Get all column headers from worksheet in google_sheets

[luca-angemi]

Breaking change

Proposed change

SSIA, don't limit to 702 columns.

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[home-assistant]

Hey there @tkdrob, mind taking a look at this pull request as it has been labeled with an integration (google_sheets) you are listed as a code owner for? Thanks!

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[Copilot]

Pull request overview

Uses row_values(1) to retrieve worksheet headers without the previous 702-column limit.

Changes:

• Replaces the fixed A1:ZZ1 range with an unbounded first-row lookup.

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[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated 1 comment.

[Copilot]

Pull request overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.