chore(deps): pin dependencies

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
JustinBeckwith/linkinator-action	action	pinDigest	-> 39e601e
actions/checkout	action	pinDigest	-> ac59398
actions/setup-node	action	pinDigest	-> 64ed1c7

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[generated-files-bot[bot]]

Warning: This pull request is touching the following templated files:

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