chore(deps): update webfactory/ssh-agent action to v0.9.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
webfactory/ssh-agent	action	minor	v0.5.4 -> v0.9.1

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Release Notes

webfactory/ssh-agent (webfactory/ssh-agent)

v0.9.1

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Fixed

• Fix path used to execute ssh-agent in cleanup.js to respect custom paths set by input (#​235)

v0.9.0

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Changed

• Update all versions of actions/checkout to v4 (#​199)
• Update to Node 20 (#​201)

v0.8.0

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Changed

• No longer writing GitHub's SSH host keys to known_hosts (#​171)
• Update to actions/checkout@v3 (#​143)
• Allow the user to override the commands for git, ssh-agent, and ssh-add (#​154)

v0.7.0

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Added

• Add the log-public-key input that can be used to turn off logging key identities (#​122)

Fixed

• Fix path to git binary on Windows, assuming GitHub-hosted runners (#​136, #​137)
• Fix a nonsensical log message (#​139)

v0.6.0

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Changed

• Update the version of Node used by the action from 12 to 16 (https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/).

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