submodules: bump external/cli from 7d73a3d to 03377be

Bumps [external/cli](https://github.com/oasisprotocol/cli) from `7d73a3d` to `03377be`.
- [Release notes](https://github.com/oasisprotocol/cli/releases)
- [Commits](oasisprotocol/cli@7d73a3d...03377be)

---
updated-dependencies:
- dependency-name: external/cli
  dependency-version: 03377be9d6519dffb4a2831ff29a1374e7d957b4
  dependency-type: direct:production
...

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

Author: dependabot[bot]