build: only check --engine-strict for production deps (#520)

This PR was generated using Autosynth. 🌈

Synth log will be available here:
https://source.cloud.google.com/results/invocations/02b30105-142c-418e-95f6-025914ce48a3/targets

- [ ] To automatically regenerate this PR, check this box.

Source-Link: googleapis/synthtool@5451633

Author: yoshi-automation

.github/workflows/ci.yaml

@@ -16,7 +16,11 @@ jobs:
         with:
           node-version: ${{ matrix.node }}
       - run: node --version
-      - run: npm install --engine-strict
+      # The first installation step ensures that all of our production
+      # dependencies work on the given Node.js version, this helps us find
+      # dependencies that don't match our engines field:
+      - run: npm install --production --engine-strict
+      - run: npm install
       - run: npm test
       - name: coverage
         uses: codecov/codecov-action@v1

synth.metadata

@@ -4,14 +4,14 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/nodejs-error-reporting.git",
-        "sha": "062e004d79066ae57bc27a1519a43fad70efa1f3"
+        "sha": "36b2e4aa4ed0135cdd19e740e6ed8ff4133ce99d"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "0c868d49b8e05bc1f299bc773df9eb4ef9ed96e9"
+        "sha": "5451633881133e5573cc271a18e73b18caca8b1b"
       }
     }
   ],