[Backport 2.x] Fix Node.js and Yarn installation in CI (#156)

Backport #150
to the 2.x branch. Automatic backport failed.

Signed-off-by: Michael Froh <froh@amazon.com>

.github/workflows/test-and-build.yml

@@ -31,23 +31,21 @@ jobs:
           ref: ${{ env.OPENSEARCH_VERSION }}
           path: OpenSearch-Dashboards
 
-      - name: Get node and yarn versions
-        id: versions_step
-        run: |
-          echo "::set-output name=node_version::$(node -p "(require('./OpenSearch-Dashboards/package.json').engines.node).match(/[.0-9]+/)[0]")"
-          echo "::set-output name=yarn_version::$(node -p "(require('./OpenSearch-Dashboards/package.json').engines.yarn).match(/[.0-9]+/)[0]")"
-
-      - name: Setup node
-        uses: actions/setup-node@v1
+      - name: Setup Node
+        uses: actions/setup-node@v3
         with:
-          node-version: ${{ steps.versions_step.outputs.node_version }}
-          registry-url: "https://registry.npmjs.org"
+          node-version-file: './OpenSearch-Dashboards/.nvmrc'
+          registry-url: 'https://registry.npmjs.org'
 
-      - name: Install correct yarn version for OpenSearch Dashboards
+      - name: Install Yarn
+        # Need to use bash to avoid having a windows/linux specific step
+        shell: bash
         run: |
-          npm uninstall -g yarn
-          echo "Installing yarn ${{ steps.versions_step.outputs.yarn_version }}"
-          npm i -g yarn@${{ steps.versions_step.outputs.yarn_version }}
+          YARN_VERSION=$(node -p "require('./OpenSearch-Dashboards/package.json').engines.yarn")
+          echo "Installing yarn@$YARN_VERSION"
+          npm i -g yarn@$YARN_VERSION
+      - run: node -v
+      - run: yarn -v
 
       - name: Move Search Relevance to Plugins Dir
         run: mv dashboards-search-relevance OpenSearch-Dashboards/plugins/dashboards-search-relevance