ci: update publish workflow to use node 18

Node 14 seemed to cause some build error
'Cannot find module '@aws-sdk/abort-controller' or its corresponding type declarations'

Signed-off-by: Gustav Grusell <[email protected]>

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: 14
+          node-version: '18.x'
           registry-url: https://registry.npmjs.org/
       - run: |
           npm ci