fix: lock graphql-ppx version to resolve peer deps issue

Author: illusionalsagacity

package.json

@@ -22,7 +22,7 @@
   },
   "devDependencies": {
     "@apollo/client": "^3.5.0",
-    "@reasonml-community/graphql-ppx": "^1.0.0",
+    "@reasonml-community/graphql-ppx": "1.2.4-1345e061.0",
     "@rescript/react": "~0.11.0",
     "rescript": "~10.1.2",
     "graphql": "^15.0.0",