Bump actions/setup-node from 3 to 6.3.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 3 to 6.3.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3...v6.3.0)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/publish.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6.3.0
         with:
           registry-url: 'https://registry.npmjs.org'
           node-version-file: '.nvmrc'

.github/workflows/tests.yaml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6.3.0
         with:
           node-version-file: '.nvmrc'
           cache: 'yarn'