chore(ci): Fix release-please workflows #4 (#30)

Set correct repo to push to

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

@@ -61,7 +61,7 @@ jobs:
         run: |
           git config --global user.email "[email protected]"
           git config --global user.name "zksync-era-bot"
-          git remote set-url origin 'https://${{ secrets.RELEASE_TOKEN }}@github.com/matter-labs/zksync-era.git'
+          git remote set-url origin 'https://${{ secrets.RELEASE_TOKEN }}@github.com/matter-labs/zksync-protocol.git'
           git add ./Cargo.toml
           git commit -m "$EXPECTED_COMMIT_MESSAGE"
           git push