chore(deps): update actions/setup-node digest to 39370e3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-node	action	digest	2a017f3 -> 39370e3

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PR-Codex overview

This PR updates the actions/setup-node version used in two GitHub workflow files to a more recent commit, enhancing the Node.js setup process for the CI/CD pipelines.

Detailed summary

• In .github/workflows/sentry-release.yml, updated actions/setup-node from version 2a017f350dbf6c4b6bb4508cc83809719115162e to 39370e3970a6d050c480ffad4ff0ed4d3fdee5af with node-version: 16.
• In .github/workflows/contracts-testing.yml, updated actions/setup-node from version 2a017f350dbf6c4b6bb4508cc83809719115162e to 39370e3970a6d050c480ffad4ff0ed4d3fdee5af with node-version: 18.x.

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