fix: update generate doc command

.github/workflows/main.yml

@@ -28,10 +28,10 @@ jobs:
         run: npm ci
       - name: Check code formatting
         run: npm run check-format
-      - name: Build
-        run: npm run build
       - name: Check documentation is up-to-date
         run: npm run check-doc
+      - name: Build
+        run: npm run build
       - name: Check storage layout
         run: npm run check-storage-layout
       - name: Test deployment

package.json

@@ -24,7 +24,7 @@
     "sol-to-uml": "npx zx scripts/tools/sol-to-uml.mjs",
     "puml-to-links": "npx zx scripts/tools/puml-to-links.mjs",
     "storage-to-diagrams": "bash scripts/tools/storage-to-diagrams.sh",
-    "doc": "npx hardhat docgen",
+    "doc": "npx hardhat clean && npx hardhat docgen",
     "check-doc": "npm run doc && git diff --exit-code docs/",
     "prerelease": "npm version prerelease --preid=rc -m 'chore: v%s'"
   },