run typechecking post-build

Author: kyle-ssg

package.json

@@ -8,7 +8,7 @@
     "prepublish": "npx in-publish && npm run build || echo",
     "deploy": "npm run build && npm test && cd ./lib/flagsmith/ && npm publish && cd ../../lib/react-native-flagsmith && npm publish && cd ../../lib/flagsmith-es && npm publish",
     "deploy:beta": "npm run build && npm test && cd ./lib/flagsmith/ && npm publish --tag beta && cd ../../lib/react-native-flagsmith && npm publish --tag beta && cd ../../lib/flagsmith-es && npm publish --tag beta",
-    "build": "npm run generatetypes && npm run typecheck && rollup -c && node ./move-react.js",
+    "build": "npm run generatetypes && rollup -c && node ./move-react.js && npm run typecheck",
     "test": "jest --env=jsdom",
     "generatetypes": "curl https://raw.githubusercontent.com/Flagsmith/flagsmith/refs/heads/main/sdk/evaluation-context.json -o evaluation-context.json && npx quicktype -o evaluation-context.ts --src-lang schema --just-types --no-prefer-types --nice-property-names evaluation-context.json && rm evaluation-context.json"
   },