fix: pipeline fail due to black versioning

pyproject.toml

@@ -32,6 +32,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
 ]
 dependencies = [
   "jsonschema>=4.4.0",
@@ -58,7 +59,7 @@ test = [
 
 [tool.black]
 line-length = 100
-target-version = ["py38"]
+target-version = ["py312"]
 force-exclude = "tests/"
 
 [tool.docformatter]
@@ -75,7 +76,7 @@ no_implicit_optional = true
 show_error_codes = true
 warn_redundant_casts = true
 warn_unreachable = true
-python_version = "3.8"
+python_version = "3.12"
 
 [[tool.mypy.overrides]]
 module = ["tests.*"]