fix(deps): update rust crate indexmap to 2.3.0 (v2) (#1609)

* fix(deps): update rust crate indexmap to 2.3.0

* Aktualisieren von Cargo.toml

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Fabian-Lars <[email protected]>

Author: renovate[bot]

Cargo.lock

@@ -27,7 +27,7 @@ futures-core = "0.3"
 sqlx = { version = "0.8", features = [ "json", "time" ] }
 time = "0.3"
 tokio = { version = "1", features = [ "sync" ] }
-indexmap = { version = "2.2.6", features = [ "serde" ] }
+indexmap = { version = "2", features = [ "serde" ] }
 
 [features]
 sqlite = [ "sqlx/sqlite", "sqlx/runtime-tokio" ]