Add reconfigure to Steam integration

[tr4nt0r]

Proposed change

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• Dependency upgrade
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Additional information

• This PR fixes or closes issue: fixes #
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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 (steam_online) you are listed as a code owner for? Thanks!

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[Copilot]

Pull request overview

This PR adds a reconfigure flow to the Steam (steam_online) integration, allowing users to update their Steam Web API key via the UI's reconfigure option. It builds on the existing reauth flow by reusing the async_step_reauth_confirm logic, branching on the flow source to pick the correct config entry and form step, and adds the name placeholder needed for the reconfigure title.

Changes:

• Added async_step_reconfigure that reuses async_step_reauth_confirm, with source-based selection of the entry (_get_reauth_entry vs _get_reconfigure_entry), step ID, and a name description placeholder.
• Added reconfigure step and reconfigure_successful abort strings in strings.json, reusing existing user-step API key strings.
• Added tests covering the reconfigure happy path and error scenarios, mirroring the existing reauth tests.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
homeassistant/components/steam_online/config_flow.py	Adds the reconfigure step and adapts the shared reauth/reconfigure confirm logic and placeholders.
homeassistant/components/steam_online/strings.json	Adds reconfigure step strings and the reconfigure_successful abort message.
tests/components/steam_online/test_config_flow.py	Adds reconfigure success and error test cases mirroring the reauth tests.

[home-assistant]

Please take a look at the requested changes, and use the Ready for review button when you are done, thanks 👍

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated no new comments.

[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated no new comments.

[erwindouna]

One last nit, and then it looks good. :)

[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated no new comments.

[erwindouna]

Thanks @tr4nt0r!