update pyproject.toml

pyproject.toml

@@ -131,4 +131,9 @@ enable-unstable-feature = [
 
 [tool.coverage.run]
 source = ['rendercv']
-relative_files = true # use relative paths instead of absolute paths, this is useful for combining coverage reports from different OSes
+# use relative paths instead of absolute paths, this is useful for combining coverage
+# reports from different OSes:
+relative_files = true
+
+# don't include jinja templates in the coverage report:
+omit = ["*.j2.*"]