chore: update actions/setup-node action to v6

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -31,7 +31,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
       - name: Update NPM (Node.js v10)
@@ -74,7 +74,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Use Node.js 20
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 20.19.5
       - name: Update NPM
@@ -95,7 +95,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Use Node.js 20
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 20.19.5
       - name: Update NPM