Bump alloc-no-stdlib from 2.0.3 to 2.0.4

Bumps [alloc-no-stdlib](https://github.com/dropbox/rust-alloc-no-stdlib) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/dropbox/rust-alloc-no-stdlib/releases)
- [Commits](https://github.com/dropbox/rust-alloc-no-stdlib/commits)

---
updated-dependencies:
- dependency-name: alloc-no-stdlib
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>