Update betterproto (#54)

Author: AdrienVannson

poetry.lock

@@ -1,6 +1,6 @@
 [project]
 name = "betterproto2_compiler"
-version = "0.3.0"
+version = "0.3.1"
 description = "Compiler for betterproto2"
 authors = [
     { name = "Adrien Vannson", email = "[email protected]" },
@@ -26,7 +26,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "^3.10"
-betterproto2 = "^0.3.0"
+betterproto2 = "^0.3.1"
 # betterproto2 = { git="https://github.com/betterproto/python-betterproto2" }
 # The Ruff version is pinned. To update it, also update it in .pre-commit-config.yaml
 ruff = "~0.9.3"