Bump actions/setup-node from 5.0.0 to 6.0.0 (#6515)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@a0853c2...2028fbc)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/assets.yml

@@ -40,7 +40,7 @@ jobs:
         run: mix deps.get --only dev
 
       - name: Set up Node.js 20.x
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 20.x
 

.github/workflows/ci.yml

@@ -85,7 +85,7 @@ jobs:
             deps-${{ runner.os }}-npm
 
       - name: Set up Node.js 20.x
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 20.x