chore(ci): build config-resolver to unblock geenric-client-tests

Author: trivikr

.github/workflows/generic-client-tests.yml

@@ -34,6 +34,11 @@ jobs:
           cd codegen
           ./gradlew clean smithy-aws-typescript-codegen:build generic-client-test-codegen:build
 
+      - name: build config-resolver
+        run: |
+          cd packages/config-resolver
+          yarn install && yarn build
+
       - name: build service-client-documentation-generator
         run: |
           cd packages/service-client-documentation-generator