Bump actions/setup-node from 6 to 6.3.0 (#366)

* Bump actions/setup-node from 6 to 6.3.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 6 to 6.3.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v6...v6.3.0)

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

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

* Configure Dependabot to group GitHub Actions updates

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Colin Rotherham <work@colinr.com>

Author: dependabot[bot]

.github/dependabot.yml

@@ -79,6 +79,12 @@ updates:
   - package-ecosystem: github-actions
     directory: /
 
+    # Group actions into shared PR
+    groups:
+      actions:
+        patterns:
+          - '*'
+
     schedule:
       interval: 'monthly'
     cooldown:

.github/workflows/ci.yml

@@ -27,7 +27,7 @@ jobs:
         run: corepack enable
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v6.3.0
         with:
           cache: yarn
           node-version-file: .nvmrc

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
         run: corepack enable
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v6.3.0
         with:
           cache: yarn
           node-version-file: .nvmrc