Update version numbers and changelog for v3.1.0

CHANGELOG.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## [3.1.0] - 2023-09-05
+
+### Added
+
+- `GameType::Starfield` and `LCI_GAME_STARFIELD` as the game code to use for
+  Starfield.
+
+### Fixed
+
+- Only lowercase plugin file extensions were recognised as plugin file
+  extensions.
+
 ## [3.0.0] - 2023-08-18
 
 ### Removed

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "loot-condition-interpreter"
-version = "3.0.0"
+version = "3.1.0"
 authors = ["Oliver Hamlet <oliver@ortham.io>"]
 license = "MIT"
 edition = "2018"

ffi/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "loot-condition-interpreter-ffi"
-version = "3.0.0"
+version = "3.1.0"
 authors = ["Oliver Hamlet <oliver@ortham.io>"]
 license = "MIT"
 build = "build.rs"