pyproject: bump GitPython 3.1.43 -> 3.1.44

The last GitPython release 3.1.44 has my fix on progress
notification integrated.

Author: fvalette-ledger

pyproject.toml

@@ -30,7 +30,7 @@ dependencies = [
     "tomli>=2.0.1; python_version < '3.11'",
     "referencing>=0.33.0",
     "rich>=13.6",
-    "GitPython>=3.1.43",
+    "GitPython>=3.1.44",
 ]
 classifiers = [
     "Development Status :: 4 - Beta",