build(deps): bump assert_cmd from 2.0.14 to 2.0.15 (#7052)

Bumps [assert_cmd](https://github.com/assert-rs/assert_cmd) from 2.0.14 to 2.0.15.
- [Changelog](https://github.com/assert-rs/assert_cmd/blob/master/CHANGELOG.md)
- [Commits](assert-rs/assert_cmd@v2.0.14...v2.0.15)

---
updated-dependencies:
- dependency-name: assert_cmd
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -49,7 +49,7 @@ tokio = "1.39"
 
 [dev-dependencies]
 solana-test-validator = "2.0.3"
-assert_cmd = "2.0.14"
+assert_cmd = "2.0.15"
 libtest-mimic = "0.7"
 serial_test = "3.1.1"
 tempfile = "3.10.1"