fix(ci): instala deps do RW.BC.DApp antes do check de ABI drift

O job crypto rodava check-abi-drift.mjs (que importa 'ethers') sem
nunca instalar as deps do RW.BC.DApp — só passava localmente porque
o node_modules já existia de sessões anteriores.

Author: robertvbs

.github/workflows/ci.yml

@@ -48,6 +48,8 @@ jobs:
         working-directory: RW.BC.Crypto
       - run: npm run validate-upgrade
         working-directory: RW.BC.Crypto
+      - run: npm ci
+        working-directory: RW.BC.DApp
       - run: node ../RW.BC.DApp/scripts/check-abi-drift.mjs
         working-directory: RW.BC.Crypto