submodules: bump external/cli from bca7c7c to a41c926

Bumps [external/cli](https://github.com/oasisprotocol/cli) from `bca7c7c` to `a41c926`.
- [Release notes](https://github.com/oasisprotocol/cli/releases)
- [Commits](oasisprotocol/cli@bca7c7c...a41c926)

---
updated-dependencies:
- dependency-name: external/cli
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>