feat: upload built specs as artifact (#102)

Author: sidvishnoi

action.yml

@@ -80,6 +80,16 @@ runs:
       env:
         INPUTS_BUILD: ${{ toJSON(fromJson(steps.prepare.outputs.build)) }}
 
+    - name: Upload Build Artifacts
+      id: upload-build-artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        path: |-
+          ${{ fromJson(steps.build.outputs.gh).dest }}
+          ${{ fromJson(steps.build.outputs.w3c).dest }}
+        name: spec-prod-result
+        retention-days: 5
+
     - name: Validate hyperlinks
       run: |
         echo "::group::Validate hyperlinks"