chore: update dependency node to v18.20.8

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

Author: renovate[bot]

.github/workflows/continuous-integration.yaml

@@ -63,7 +63,7 @@ jobs:
       - name: Use Node.js 18
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 18
+          node-version: 18.20.8
       - name: Bootstrap project
         run: npm ci --ignore-scripts
       - name: Verify code linting
@@ -79,7 +79,7 @@ jobs:
       - name: Use Node.js 18
         uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
-          node-version: 18
+          node-version: 18.20.8
       - name: Bootstrap project
         run: npm ci --ignore-scripts
       - name: Verify commit linting