CI: use standard Github Action templates

A lot of our repositories have diverged from our intended template, so this copies a templated version over whatever was here before

Connects pelias/pelias#951

.github/workflows/_test.yml

@@ -16,5 +16,6 @@ jobs:
           node-version: '${{ matrix.node-version }}'
       - name: Run unit tests
         run: |
+          [[ -f ./bin/ci-setup ]] && ./bin/ci-setup
           npm install
           npm run ci

.github/workflows/push.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 16.x
+          node-version: 20.x
       - name: Run semantic-release
         env:
           GH_TOKEN: ${{ secrets.GH_SEMANTIC_RELEASE_TOKEN }}
@@ -21,17 +21,3 @@ jobs:
           if [[ -n "$GH_TOKEN" && -n "$NPM_TOKEN" ]]; then
             curl "https://raw.githubusercontent.com/pelias/ci-tools/master/semantic-release.sh" | bash -
           fi
-  build-docker-images:
-    # run this job if the unit tests passed and the npm-publish job was a success or was skipped
-    # note: github actions won't run a job if you don't call one of the status check functions, so `always()` is called since it evalutes to `true`
-    if: ${{ always() && needs.unit-tests.result == 'success' && (needs.npm-publish.result == 'success' || needs.npm-publish.result == 'skipped') }}
-    needs: [unit-tests, npm-publish]
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - name: Build Docker images
-        env:
-          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
-          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-        run: |
-          curl "https://raw.githubusercontent.com/pelias/ci-tools/master/build-docker-images.sh" | bash -