chore(actions): bump actions/setup-node from 4 to 6

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 4 to 6.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4...v6)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -22,7 +22,7 @@ jobs:
             - uses: actions/checkout@v4
 
             - name: Setup Node.js
-              uses: actions/setup-node@v4
+              uses: actions/setup-node@v6
               with:
                   node-version: ${{ env.NODE_VERSION }}
 

.github/workflows/notify.yml

@@ -33,7 +33,7 @@ jobs:
               uses: actions/checkout@v4
 
             - name: Setup Node.js
-              uses: actions/setup-node@v4
+              uses: actions/setup-node@v6
               with:
                   node-version: ${{ env.NODE_VERSION }}
 

.github/workflows/release.yml

@@ -74,7 +74,7 @@ jobs:
               with:
                   fetch-depth: 0
 
-            - uses: actions/setup-node@v4
+            - uses: actions/setup-node@v6
               with:
                   node-version: ${{ env.NODE_VERSION }}
 
@@ -117,7 +117,7 @@ jobs:
         steps:
             - uses: actions/checkout@v4
 
-            - uses: actions/setup-node@v4
+            - uses: actions/setup-node@v6
               with:
                   node-version: ${{ env.NODE_VERSION }}
 
@@ -153,7 +153,7 @@ jobs:
         steps:
             - uses: actions/checkout@v4
 
-            - uses: actions/setup-node@v4
+            - uses: actions/setup-node@v6
               with:
                   node-version: ${{ env.NODE_VERSION }}