chore(deps): pin dependency node to 18.20.7

Author: renovate[bot]

.github/workflows/deploy-docs.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '18.20.7'
       - name: Build docs
         run: cd web && yarn install && yarn run build
       - name: Commit and push changes