Merge pull request #169 from NHSDigital/CCM-9336-bump-node-version

CCM-9336 bump docs node version

Author: aidenvaines-cgi

.github/actions/build-docs/action.yml

@@ -11,7 +11,7 @@ runs:
       uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: 18
+        node-version: 22
     - name: Npm cli install
       working-directory: ./docs
       run: npm ci