Update to use latest npm CLI release

The new version has provenance support built in.

https://github.com/npm/cli/pull/6163

.github/workflows/release.yml

@@ -37,18 +37,7 @@ jobs:
         with:
           node-version: '19.x'
           registry-url: 'https://registry.npmjs.org'
-      - name: Clone npm
-        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # v3
-        with:
-          repository: npm/cli
-          ref: provenance
-          path: npm
-      - name: Link npm
-        run: |
-          cd npm
-          node . link
-          cd ..
-          npm version
+      - run: npm install -g npm@latest
       - run: npm ci
       - run: make test
       - run: make clean build