chore(ci): Use correct path to Cargo.toml (#194)

(I love debugging CI)

.github/workflows/release-please-prepare-branch.yml

@@ -66,6 +66,6 @@ jobs:
           git config --global user.email "[email protected]"
           git config --global user.name "zksync-era-bot"
           git remote set-url origin 'https://${{ secrets.RELEASE_TOKEN }}@github.com/matter-labs/era-consensus.git'
-          git add ./Cargo.toml
+          git add ./node/Cargo.toml
           git commit -m "$EXPECTED_COMMIT_MESSAGE"
           git push