chore(deps): update actions/setup-node action to v6.4.0 (#1015)

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

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -26,7 +26,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 'lts/*'
           cache: 'yarn'
@@ -40,7 +40,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 'lts/*'
           cache: 'yarn'
@@ -54,7 +54,7 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - uses: actions/setup-node@v6
+      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version: 'lts/*'
           cache: 'yarn'
@@ -72,7 +72,7 @@ jobs:
         submodules: true
         fetch-depth: 0
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: ${{ matrix.node-version }}
         cache: 'yarn'
@@ -90,7 +90,7 @@ jobs:
         submodules: true
         fetch-depth: 0
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: ${{ matrix.node-version }}
     - name: Install backend dependencies