test(CI): Have GitHub use npm ci instead of npm install (#8245)

This should help ensure that CI catches PRs that update
package.json without updating package-lock.json to match.

Proposed in response to breakage caused by PR #8209.

.github/workflows/build.yml

@@ -37,8 +37,8 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
 
-      - name: Npm Install
-        run: npm install
+      - name: Npm Clean Install
+        run: npm ci
 
       - name: Linux Test Setup
         if: runner.os == 'Linux'