Bump version to 0.9.1

Author: CedNaru

docs/src/doc/user-guide/versioning.md

@@ -1,7 +1,7 @@
 The module uses semantic versioning for its own versions but adds a suffix for the supported Godot version:
 
-Full version: `0.9.0-4.2.2`
+Full version: `0.9.1-4.2.2`
 
-Module Version: `0.9.0`
+Module Version: `0.9.1`
 
 Supported Godot Version: `4.2.2`

kt/gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 
-godotKotlinJvm = "0.9.0"
+godotKotlinJvm = "0.9.1"
 kotlin = "1.9.23"
 godot = "4.2.2"