Use Go osapispec for release builds

Signed-off-by: Sean Chittenden <sean.chittenden@crowdstrike.com>

Author: sean-

.github/workflows/release.yml

@@ -31,13 +31,15 @@ jobs:
             echo "::notice::Found version ${{ steps.current.outputs.version }}, all good."
           fi
 
-      - name: Setup Node.js
-        uses: actions/setup-node@v3
+      - name: Setup Go
+        uses: actions/setup-go@v5
         with:
-          node-version: '20'
+          go-version-file: cmd/osapispec/go.mod
+          cache-dependency-path: cmd/osapispec/go.sum
 
-      - name: Build
-        run: npm ci && npm run merge
+      - name: Build Spec
+        run: go run . merge -source ../../spec -output ../../build/opensearch-openapi.yaml
+        working-directory: cmd/osapispec
 
       - name: Upload Artifacts
         id: upload