use npm 8 because of the cyclic dependency

Author: mmomtchev

.github/workflows/publish.yml

@@ -17,6 +17,7 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: 12.x
+    - run: npm i -g npm@latest
     - run: npm install --ignore-scripts
     - run: npx @mapbox/node-pre-gyp configure
     - run: npx @mapbox/node-pre-gyp build -j max

.github/workflows/test-release.yml

@@ -29,6 +29,7 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install --ignore-scripts
+    - run: npm i -g npm@latest
     - run: npx @mapbox/node-pre-gyp install
     - name: Run unit tests
       run: npm test