Update m3u8-rs requirement from 5.0 to 6.0

Updates the requirements on [m3u8-rs](https://github.com/rutgersc/m3u8-rs) to permit the latest version.
- [Commits](https://github.com/rutgersc/m3u8-rs/commits)

---
updated-dependencies:
- dependency-name: m3u8-rs
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -49,7 +49,7 @@ aes = { version = "0.8", optional = true }
 cbc = { version = "0.1", optional = true }
 dash-mpd = { version = "0.14", default-features = false, optional = true }
 lazy_static = { version = "1.4", optional = true }
-m3u8-rs = { version = "5.0", optional = true }
+m3u8-rs = { version = "6.0", optional = true }
 regex = { version = "1.10", default-features = false, features = ["std"], optional = true }
 tower-service = { version = "0.3.2", optional = true }