chore(deps): update multimap requirement from 0.9 to 0.10 (#645)

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

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

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Cargo.toml

@@ -76,7 +76,7 @@ mime = "0.3"
 mime-infer = "3"
 moka = "0.12"
 multer = "3"
-multimap = "0.9"
+multimap = "0.10"
 native-tls = "0.2"
 nix = { version = "0.27", default-features = false }
 once_cell = "1"