chore(deps): update j4rs requirement from 0.14 to 0.15

Updates the requirements on [j4rs](https://github.com/astonbitecode/j4rs) to permit the latest version.
- [Release notes](https://github.com/astonbitecode/j4rs/releases)
- [Commits](astonbitecode/j4rs@v0.14.0...v0.15.0)

---
updated-dependencies:
- dependency-name: j4rs
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -43,7 +43,7 @@ assert_matches = "1.5"
 criterion = { version = "0.4", features = ["async_tokio"] }
 dotenvy = "0.15.1"
 futures = "0.3"
-j4rs = "0.14"
+j4rs = "0.15"
 once_cell = "1.9"
 procspawn = "0.10"
 proptest = "1"