Use node to run validation

.github/workflows/schema-validation.yml

@@ -1,41 +1,32 @@
 name: Validate schema changes
 
 on:
-  pull_request_target:
-    types:
-      - opened
-      - synchronize
+  pull_request:
     branches:
       - dev-2.x
 
 jobs:
   validate-gtfs:
     if: github.repository_owner == 'opentripplanner'
     name: Validate GraphQL schema changes
-    permissions:
-      contents: read 
-      pull-requests: write
-      checks: write
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
- 
-      - uses: kamilkisiela/graphql-inspector@master
+
+      - uses: actions/setup-node@v4
         with:
-          name: Validate GTFS GraphQL schema changes
-          schema: 'dev-2.x:application/src/main/resources/org/opentripplanner/apis/gtfs/schema.graphqls'
-          annotations: false
-          fail-on-breaking: true
-          rules: |
-            ignoreDescriptionChanges
+          node-version: 22
+
+      - name: Install GraphQL Inspector
+        run: |
+          npm i --global @graphql-inspector/diff-command @graphql-inspector/graphql-loader @graphql-inspector/git-loader
       
-      - uses: kamilkisiela/graphql-inspector@master
-        with:
-          name: Validate Transmodel GraphQL schema changes
-          schema: 'dev-2.x:application/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql'
-          annotations: false
-          fail-on-breaking: true
-          rules: |
-            ignoreDescriptionChanges
+      - name: Validate GTFS GraphQL schema changes
+        run: |
+          graphql-inspector diff 'git:origin/dev-2.x:application/src/main/resources/org/opentripplanner/apis/gtfs/schema.graphqls' 'application/src/main/resources/org/opentripplanner/apis/gtfs/schema.graphqls'
+
+      - name: Validate Transmodel GraphQL schema changes
+        run: |
+          graphql-inspector diff 'git:origin/dev-2.x:application/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql' 'application/src/main/resources/org/opentripplanner/apis/transmodel/schema.graphql'