fix: revert build backend to poetry.core.masonry.api for pip compatibility

Author: micaelaw

pyproject.toml

@@ -70,5 +70,5 @@ relative_files = true
 [tool.poetry.scripts]
 
 [build-system]
-requires = ["poetry-core>=1.0.0", "poetry-dynamic-versioning>=1.0.0,<2.0.0"]
-build-backend = "poetry-dynamic-versioning.backend"
+requires = ["poetry-core>=1.0.0"]
+build-backend = "poetry.core.masonry.api"