Validate generation more extensively (#2662)

Author: pquentin

.github/workflows/validate-pr.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Generate specification and check generated types
         working-directory: ./elasticsearch-specification
         run: |
-          make generate
+          make contrib
 
       - name: Download artifacts
         working-directory: ./clients-flight-recorder

Makefile

@@ -57,7 +57,7 @@ filter-for-serverless: ## Generate the serverless version from the compiled sche
 dump-routes: ## Create a new schema with all generics expanded
 	@npm run dump-routes --prefix compiler
 
-contrib: | generate license-check spec-format-fix transform-to-openapi ## Pre contribution target
+contrib: | generate license-check spec-format-fix transform-to-openapi filter-for-serverless ## Pre contribution target
 
 lint-docs: ## Lint the OpenAPI documents
 	@npx @stoplight/spectral-cli lint output/openapi/*.json --ruleset .spectral.yaml