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/continuous-integration.yml

@@ -45,7 +45,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: ${{ matrix.node-version }}
           cache: npm
@@ -72,7 +72,7 @@ jobs:
         with:
           persist-credentials: false
       - 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
           cache: 'npm'
@@ -101,7 +101,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
       - 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
           cache: npm
@@ -136,7 +136,7 @@ jobs:
         with:
           persist-credentials: false
       - 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
           cache: npm