chore(deps): bump actions/setup-node from 4 to 7 (#1285)

* chore(deps): bump actions/setup-node from 4 to 7

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 7.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v4...v7)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

* chore(ci): allow actions/setup-node v7 in the Snap workflow policy

The Snap supply-chain policy test pins the exact major of every action
the build workflow may use, so bumping actions/setup-node in the
workflow without updating BUILD_ACTION_ALLOWLIST fails
publish-snap-workflow.test.mjs.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: 4gray <serega05@gmail.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

.github/workflows/ci.yml

@@ -101,7 +101,7 @@ jobs:
               uses: pnpm/action-setup@v4
 
             - name: Setup Node.js
-              uses: actions/setup-node@v4
+              uses: actions/setup-node@v7
               with:
                   node-version: '22'
                   cache: 'pnpm'
@@ -139,7 +139,7 @@ jobs:
               uses: pnpm/action-setup@v4
 
             - name: Setup Node.js
-              uses: actions/setup-node@v4
+              uses: actions/setup-node@v7
               with:
                   node-version: '22'
                   cache: 'pnpm'