Update pyproject.toml

with help from @hrshdhgd

Author: cmungall

pyproject.toml

@@ -25,6 +25,11 @@ classifiers = [
     "Programming Language :: Python :: 3.9"
 ]
 
+[tool.poetry-dynamic-versioning]
+enable = true
+vcs = "git"
+style = "pep440"
+
 [tool.poetry.scripts]
 linkml-data2owl = "linkml_owl.dumpers.owl_dumper:cli"
 
@@ -45,5 +50,5 @@ mkdocs = "^1.2.3"
 black = "^22.10.0"
 
 [build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
+requires = ["poetry-core>=1.0.0", "poetry-dynamic-versioning"]
+build-backend = "poetry_dynamic_versioning.backend"