fix: pin helm-schema-plugin version to avoid failures in generating Pulumi types (#6844)

Author: dotansimha

.github/workflows/typescript-typecheck.yaml

@@ -22,10 +22,11 @@ jobs:
 
       - uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0
         with:
-          version: 'v3.14.2'
+          version: 'v3.18.1'
 
       - name: install helm deps
-        run: helm plugin install https://github.com/losisin/helm-values-schema-json.git
+        run:
+          helm plugin install https://github.com/losisin/helm-values-schema-json.git --version 1.8.0
 
       - name: generate pulumi deps
         run: pnpm --filter hive generate