deps: bump tokio from 1.48.0 to 1.49.0 (#89)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.48.0 to 1.49.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](tokio-rs/tokio@tokio-1.48.0...tokio-1.49.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-version: 1.49.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -25,7 +25,7 @@ fsrs = "5.2"
 rand = "0.9"
 dirs = "6.0"
 serde_json = "1.0"
-tokio = { version = "1.48", features = [
+tokio = { version = "1.49", features = [
     "rt-multi-thread",
     "sync",
     "time",