chore(deps): pin dependencies

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	pinDigest	→ 27082ce
eslint-plugin-react-hooks (source)	devDependencies	pin	^5.2.0 → 5.2.0
ghcr.io/astral-sh/uv	stage	pinDigest	→ d0a0a75
mitodl/ol-github-workflows	action	pinDigest	→ edd566d
node	stage	pinDigest	→ c2d5ade
node		pinDigest	→ 5a593d7
postgres	service	pinDigest	→ 7e32e98
postgres		pinDigest	→ 7e32e98
python	final	pinDigest	→ c33f0bc
python	stage	pinDigest	→ c33f0bc

⚠️ Renovate's pin functionality does not currently wire in the release age for a package, so the Minimum Release Age checks can apply. You will need to manually validate the Minimum Release Age for these package(s).

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