Fix pyproject.toml to create a fixed _version.py file, compatible wi…

…th both old and new setuptools_scm version (see: #6875)

pyproject.toml

@@ -3,4 +3,8 @@ requires = ["setuptools", "pkgconfig", "Cython", "setuptools_scm[toml]>=6.2"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools_scm]
+# make sure we have the same versioning scheme with all setuptools_scm versions, to avoid different autogenerated files
+# https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1015052
+# https://github.com/borgbackup/borg/issues/6875
 write_to = "src/borg/_version.py"
+write_to_template = "__version__ = version = {version!r} \n__version_tuple__ = version_tuple = {version_tuple!r}"