Bump self_update from 0.37.0 to 0.38.0

Bumps [self_update](https://github.com/jaemk/self_update) from 0.37.0 to 0.38.0.
- [Release notes](https://github.com/jaemk/self_update/releases)
- [Changelog](https://github.com/jaemk/self_update/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jaemk/self_update/commits)

---
updated-dependencies:
- dependency-name: self_update
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

nextest-runner/Cargo.toml

@@ -77,7 +77,7 @@ zstd = { version = "0.12.4", features = ["zstdmt"] }
 ###
 mukti-metadata = { version = "0.1.0", optional = true }
 # TODO: remove dependency on self_update, build our own thing on top of mukti
-self_update = { version = "0.37.0", optional = true, default-features = false, features = [
+self_update = { version = "0.38.0", optional = true, default-features = false, features = [
     "archive-tar",
     "compression-flate2",
 ] }
@@ -115,7 +115,7 @@ dunce = "1.0.4"
 # RISC-V: https://github.com/nextest-rs/nextest/issues/820
 # (default features for self_update turns on openssl)
 [target.'cfg(not(any(target_arch = "riscv32", target_arch = "riscv64")))'.dependencies]
-self_update = { version = "0.37.0", optional = true, default-features = false, features = [
+self_update = { version = "0.38.0", optional = true, default-features = false, features = [
     "rustls",
 ] }