Update puffin_http requirement from 0.6 to 0.7

Updates the requirements on [puffin_http](https://github.com/EmbarkStudios/puffin) to permit the latest version.
- [Release notes](https://github.com/EmbarkStudios/puffin/releases)
- [Changelog](https://github.com/EmbarkStudios/puffin/blob/main/CHANGELOG.md)
- [Commits](https://github.com/EmbarkStudios/puffin/compare/0.6.0...0.7.0)

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

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

game/Cargo.toml

@@ -20,7 +20,7 @@ raylib = { version = "3.5", git = "https://github.com/ewpratten/raylib-rs", rev
     "serde"
 ] }
 puffin = "0.9"
-puffin_http = "0.6"
+puffin_http = "0.7"
 dirty-fsm = "^0.2.2"
 num-traits = "0.2"
 sentry = "0.23"