Fix create-release workflow to update npm and use node 16

Signed-off-by: Mark Irish <[email protected]>

.github/workflows/create-release.yml

@@ -11,14 +11,16 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [16.x]
 
     steps:
     - uses: actions/checkout@v2
     - name: Use Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
+    - name: Upgrade NPM
+      run: npm install -g npm
     - run: npm install -g node-gyp
     - run: npm ci --production
     - run: ./node_modules/.bin/node-pre-gyp rebuild --production